The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017486 advisory.

    Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 32 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2021-0ece308612 advisory.

  - In Pillow before 8.1.0, TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files     because of certain interpretation conflicts with LibTIFF in RGBA mode. (CVE-2020-35654)

  - An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding     crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this     issue exists because of an incomplete fix for CVE-2020-35654. (CVE-2021-25289)

  - An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an     invalid size. (CVE-2021-25290)

  - An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in     TiffreadRGBATile via invalid tile boundaries. (CVE-2021-25291)

  - An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS)     attack via a crafted PDF file because of a catastrophic backtracking regex. (CVE-2021-25292)

  - An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c.
    (CVE-2021-25293)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for a BLP container, and thus an attempted     memory allocation can be very large. (CVE-2021-27921)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICNS container, and thus an attempted     memory allocation can be very large. (CVE-2021-27922)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large. (CVE-2021-27923)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2021-2760:01 advisory.

    * python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25287)
      * python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25288)
      * python-pillow: Negative-offset memcpy in TIFF image reader (CVE-2021-25290)
      * python-pillow: Regular expression DoS in PDF format parser (CVE-2021-25292)
      * python-pillow: Out-of-bounds read in SGI RLE image reader (CVE-2021-25293)
      * python-pillow: Excessive memory allocation in BLP image reader (CVE-2021-27921)
      * python-pillow: Excessive memory allocation in ICNS image reader (CVE-2021-27922)
      * python-pillow: Excessive memory allocation in ICO image reader (CVE-2021-27923)
      * python-pillow: Excessive memory allocation in PSD image reader (CVE-2021-28675)
      * python-pillow: Infinite loop in FLI image reader (CVE-2021-28676)
      * python-pillow: Excessive CPU use in EPS image reader (CVE-2021-28677)
      * python-pillow: Excessive looping in BLP image reader (CVE-2021-28678)
      * python-pillow: Buffer overflow in image convert function (CVE-2021-34552)
      * python-pillow: Buffer over-read in PCX image reader (CVE-2020-35653)
      * python-pillow: Buffer over-read in SGI RLE image reader (CVE-2020-35655)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large. (CVE-2021-27923)

Note that Nessus relies on the presence of the package as reported by the vendor.

According to the versions of the python-pillow package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Pillow before 8.1.1 allows attackers to cause a denial     of service (memory consumption) because the reported     size of a contained image is not properly checked for a     BLP container, and thus an attempted memory allocation     can be very large.(CVE-2021-27921)

  - Pillow before 8.1.1 allows attackers to cause a denial     of service (memory consumption) because the reported     size of a contained image is not properly checked for     an ICNS container, and thus an attempted memory     allocation can be very large.(CVE-2021-27922)

  - Pillow before 8.1.1 allows attackers to cause a denial     of service (memory consumption) because the reported     size of a contained image is not properly checked for     an ICO container, and thus an attempted memory     allocation can be very large.(CVE-2021-27923)

  - In Pillow before 8.1.0, SGIRleDecode has a 4-byte     buffer over-read when decoding crafted SGI RLE image     files because offsets and length tables are     mishandled.(CVE-2020-35655)

  - An issue was discovered in Pillow before 8.2.0.
    PSDImagePlugin.PsdImageFile lacked a sanity check on     the number of input layers relative to the size of the     data block. This could lead to a DoS on Image.open     prior to Image.load.(CVE-2021-28675)

  - An issue was discovered in Pillow before 8.2.0. For FLI     data, FliDecode did not properly check that the block     advance was non-zero, potentially leading to an     infinite loop on load.(CVE-2021-28676)

  - An issue was discovered in Pillow before 8.2.0. For EPS     data, the readline implementation used in EPSImageFile     has to deal with any combination of \r and \n as line     endings. It used an accidentally quadratic method of     accumulating lines while looking for a line ending. A     malicious EPS file could use this to perform a DoS of     Pillow in the open phase, before an image was accepted     for opening.(CVE-2021-28677)

  - An issue was discovered in Pillow before 8.2.0. For BLP     data, BlpImagePlugin did not properly check that reads     (after jumping to file offsets) returned data. This     could lead to a DoS where the decoder could be run a     large number of times on empty data.(CVE-2021-28678)

  - An issue was discovered in Pillow before 8.2.0. There     is an out-of-bounds read in J2kDecode, in     j2ku_graya_la.(CVE-2021-25287)

  - An issue was discovered in Pillow before 8.2.0. There     is an out-of-bounds read in J2kDecode, in     j2ku_gray_i.(CVE-2021-25288)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-146 advisory.

    An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an     invalid size. (CVE-2021-25290)

    An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in     TiffreadRGBATile via invalid tile boundaries. (CVE-2021-25291)

    An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c.
    (CVE-2021-25293)

    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for a BLP container, and thus an attempted     memory allocation can be very large. (CVE-2021-27921)

    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICNS container, and thus an attempted     memory allocation can be very large. (CVE-2021-27922)

    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large. (CVE-2021-27923)

    An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the     block advance was non-zero, potentially leading to an infinite loop on load. (CVE-2021-28676)

    An issue was discovered in Pillow before 8.2.0. For EPS data, the readline implementation used in     EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally     quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could use     this to perform a DoS of Pillow in the open phase, before an image was accepted for opening.
    (CVE-2021-28677)

    Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass     controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.
    (CVE-2021-34552)

    Pillow before 9.2.0 performs Improper Handling of Highly Compressed GIF Data (Data Amplification).
    (CVE-2022-45198)

    Pillow before 9.3.0 allows denial of service via SAMPLESPERPIXEL. (CVE-2022-45199)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:4149 advisory.

  - python-pillow: Buffer over-read in PCX image reader (CVE-2020-35653)

  - python-pillow: Buffer over-read in SGI RLE image reader (CVE-2020-35655)

  - python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25287, CVE-2021-25288)

  - python-pillow: Negative-offset memcpy in TIFF image reader (CVE-2021-25290)

  - python-pillow: Regular expression DoS in PDF format parser (CVE-2021-25292)

  - python-pillow: Out-of-bounds read in SGI RLE image reader (CVE-2021-25293)

  - python-pillow: Excessive memory allocation in BLP image reader (CVE-2021-27921)

  - python-pillow: Excessive memory allocation in ICNS image reader (CVE-2021-27922)

  - python-pillow: Excessive memory allocation in ICO image reader (CVE-2021-27923)

  - python-pillow: Excessive memory allocation in PSD image reader (CVE-2021-28675)

  - python-pillow: Infinite loop in FLI image reader (CVE-2021-28676)

  - python-pillow: Excessive CPU use in EPS image reader (CVE-2021-28677)

  - python-pillow: Excessive looping in BLP image reader (CVE-2021-28678)

  - python-pillow: Buffer overflow in image convert function (CVE-2021-34552)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1673-2 advisory.

    - Fixed ImagePath.Path array handling (bsc#1194552, CVE-2022-22815, bsc#1194551, CVE-2022-22816)
    - Use snprintf instead of sprintf (bsc#1188574, CVE-2021-34552)
    - Fix Memory DOS in Icns, Ico and Blp Image Plugins. (bsc#1183110, CVE-2021-27921, bsc#1183108,     CVE-2021-27922, bsc#1183107, CVE-2021-27923)
    - Fix OOB read in SgiRleDecode.c (bsc#1183102, CVE-2021-25293)
    - Use more specific regex chars to prevent ReDoS (bsc#1183101, CVE-2021-25292)
    - Fix negative size read in TiffDecode.c (bsc#1183105, CVE-2021-25290)
    - Raise ValueError if color specifier is too long (bsc#1190229, CVE-2021-23437)
    - Incorrect error code checking in TiffDecode.c (bsc#1183103, CVE-2021-25289)
    - OOB Write in TiffDecode.c (bsc#1180833, CVE-2020-35654)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1134-1 advisory.

  - Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to     potentially exploit heap corruption via a crafted HTML page. (CVE-2020-15999)

  - In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the     user-supplied stride value is trusted for buffer calculations. (CVE-2020-35653)

  - In Pillow before 8.1.0, TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files     because of certain interpretation conflicts with LibTIFF in RGBA mode. (CVE-2020-35654)

  - In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image     files because offsets and length tables are mishandled. (CVE-2020-35655)

  - An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding     crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this     issue exists because of an incomplete fix for CVE-2020-35654. (CVE-2021-25289)

  - An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an     invalid size. (CVE-2021-25290)

  - An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in     TiffreadRGBATile via invalid tile boundaries. (CVE-2021-25291)

  - An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS)     attack via a crafted PDF file because of a catastrophic backtracking regex. (CVE-2021-25292)

  - An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c.
    (CVE-2021-25293)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for a BLP container, and thus an attempted     memory allocation can be very large. (CVE-2021-27921)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICNS container, and thus an attempted     memory allocation can be very large. (CVE-2021-27922)

  - Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large. (CVE-2021-27923)

  - Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass     controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.
    (CVE-2021-34552)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0012 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2019-16865:
    An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the     library can either allocate very large amounts of memory or take an extremely long period of time to     process the image.

    CVE-2020-11538:
    In libImaging/SgiRleDecode.c in Pillow through 7.0.0, a number of out-of-bounds reads exist in the parsing     of SGI image files, a different issue than CVE-2020-5311.

    CVE-2020-35655:
    In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image     files because offsets and length tables are mishandled.

    CVE-2020-5311:
    libImaging/SgiRleDecode.c in Pillow before 6.2.2 has an SGI buffer overflow.

    CVE-2020-5313:
    libImaging/FliDecode.c in Pillow before 6.2.2 has an FLI buffer overflow.

    CVE-2021-27921:
    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for a BLP container, and thus an attempted     memory allocation can be very large.

    CVE-2021-27923:
    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICO container, and thus an attempted     memory allocation can be very large.

    CVE-2021-28676:
    An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the     block advance was non-zero, potentially leading to an infinite loop on load.

    CVE-2021-28678:
    An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that     reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be     run a large number of times on empty data.

    CVE-2021-34552:
    Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass     controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.

    CVE-2022-22816:
    path_getbbox in path.c in Pillow before 9.0.0 has a buffer over-read during initialization of     ImagePath.Path.

    CVE-2020-35653:
    In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the     user-supplied stride value is trusted for buffer calculations. A flaw was found in python-pillow. The     PcxDecode in Pillow has a buffer over-read when decoding a crafted PCX file due to the user-supplied     stride value trusted for buffer calculations. The highest threat from this vulnerability is to system     availability.

    CVE-2021-25287:
    An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in     j2ku_graya_la. There is an out-of-bounds read in J2kDecode in j2ku_graya_la. For J2k images with multiple     bands, its legal to have different widths for each band, e.g. 1 byte for L, 4 bytes for A.

    CVE-2021-25288:
    An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in     j2ku_gray_i.There is an out-of-bounds read in J2kDecode in j2ku_gray_i. For J2k images with multiple     bands, its legal to have different widths for each band, e.g. 1 byte for L, 4 bytes for A.

    CVE-2021-25290:
    An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an     invalid size. A flaw was found in python-pillow. In TiffDecode.c, there is a negative-offset memcpy with     an invalid size which could lead to a system crash.

    CVE-2021-25292:
    An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS)     attack via a crafted PDF file because of a catastrophic backtracking regex. A flaw was found in python-     pillow. The PDF parser has a catastrophic backtracking regex that could be used as a DOS attack.

    CVE-2021-25293:
    An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c. A flaw     was found in python-pillow. There is an Out of Bounds Read in SGIRleDecode.c.

    CVE-2021-27922:
    Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the     reported size of a contained image is not properly checked for an ICNS container, and thus an attempted     memory allocation can be very large. A flaw was found in python-pillow. Attackers can cause a denial of     service (memory consumption) because the reported size of a contained image is not properly checked for an     ICNS container, and thus an attempted memory allocation can be very large.

    CVE-2021-28675:
    An issue was discovered in Pillow before 8.2.0. PSDImagePlugin.PsdImageFile lacked a sanity check on the     number of input layers relative to the size of the data block. This could lead to a DoS on Image.open     prior to Image.load. A flaw was found in python-pillow. PsdImagePlugin.PsdImageFile does not sanity check     the number of input layers with regard to the size of the data block which could lead to a denial-of-     service.

    CVE-2021-28677     An issue was discovered in Pillow before 8.2.0. For EPS data, the readline implementation used in     EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally     quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could use     this to perform a DoS of Pillow in the open phase, before an image was accepted for opening. A flaw was     found in python-pillow. The readline used in EPS has to deal with any combination of \r and \n as line     endings. It accidentally used a quadratic method of accumulating lines while looking for a line ending. A     malicious EPS file could use this to perform a denial-of-service of Pillow in the open phase, before an     image was accepted for opening.

    CVE-2022-22817:
    PIL.ImageMath.eval in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that     use the Python exec method.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
313917	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-pillow (UTSA-2026-017486)	Nessus	Unity Linux Local Security Checks	2026/5/11	2026/5/11	high
147777	Fedora 32 : python-pillow / python2-pillow (2021-0ece308612)	Nessus	Fedora Local Security Checks	2021/3/15	2021/4/12	critical
294468	MiracleLinux 8 : python-pillow-5.1.1-16.el8 (AXSA:2021-2760:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	critical
223734	Linux Distros Unpatched Vulnerability : CVE-2021-27923	Nessus	Misc.	2025/3/4	2026/7/19	high
152314	EulerOS 2.0 SP9 : python-pillow (EulerOS-SA-2021-2253)	Nessus	Huawei Local Security Checks	2021/8/9	2023/12/6	critical
173344	Amazon Linux 2023 : python3-pillow, python3-pillow-devel, python3-pillow-tk (ALAS2023-2023-146)	Nessus	Amazon Linux Local Security Checks	2023/3/23	2024/12/11	critical
155033	CentOS 8 : python-pillow (CESA-2021:4149)	Nessus	CentOS Local Security Checks	2021/11/11	2021/11/11	critical
200510	SUSE SLES15 Security Update : python-Pillow (SUSE-SU-2024:1673-2)	Nessus	SuSE Local Security Checks	2024/6/14	2024/6/14	critical
152473	openSUSE 15 Security Update : python-CairoSVG, python-Pillow (openSUSE-SU-2021:1134-1)	Nessus	SuSE Local Security Checks	2021/8/11	2022/12/5	critical
236661	Alibaba Cloud Linux 3 : 0012: python-pillow (ALINUX3-SA-2022:0012)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	critical

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