The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4971-1 advisory.

    It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system     were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause     libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.

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

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

This update for libwebp fixes the following issues :

CVE-2018-25010: Fixed heap-based buffer overflow in ApplyFilter() (bsc#1185685).

CVE-2020-36330: Fixed heap-based buffer overflow in ChunkVerifyAndAssign() (bsc#1185691).

CVE-2020-36332: Fixed extreme memory allocation when reading a file (bsc#1185674).

CVE-2020-36329: Fixed use-after-free in EmitFancyRGB() (bsc#1185652).

CVE-2018-25012: Fixed heap-based buffer overflow in GetLE24() (bsc#1185690).

CVE-2018-25013: Fixed heap-based buffer overflow in ShiftBytes() (bsc#1185654).

CVE-2020-36331: Fixed heap-based buffer overflow in ChunkAssignData() (bsc#1185686).

CVE-2018-25009: Fixed heap-based buffer overflow in GetLE16() (bsc#1185673).

CVE-2018-25011: Fixed fail on multiple image chunks (bsc#1186247).

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4231 advisory.

    The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format     with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format,     and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and     browser developers can use WebP to compress, archive, and distribute digital images more efficiently.

    Security Fix(es):

    * libwebp: out-of-bounds read in WebPMuxCreateInternal (CVE-2018-25009)

    * libwebp: out-of-bounds read in ApplyFilter() (CVE-2018-25010)

    * libwebp: out-of-bounds read in WebPMuxCreateInternal() (CVE-2018-25012)

    * libwebp: out-of-bounds read in ShiftBytes() (CVE-2018-25013)

    * libwebp: use of uninitialized value in ReadSymbol() (CVE-2018-25014)

    * libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c (CVE-2020-36330)

    * libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c (CVE-2020-36331)

    * libwebp: excessive memory allocation when reading a file (CVE-2020-36332)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4231 advisory.

  - libwebp: out-of-bounds read in WebPMuxCreateInternal (CVE-2018-25009)

  - libwebp: out-of-bounds read in ApplyFilter() (CVE-2018-25010)

  - libwebp: out-of-bounds read in WebPMuxCreateInternal() (CVE-2018-25012)

  - libwebp: out-of-bounds read in ShiftBytes() (CVE-2018-25013)

  - libwebp: use of uninitialized value in ReadSymbol() (CVE-2018-25014)

  - libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c (CVE-2020-36330)

  - libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c (CVE-2020-36331)

  - libwebp: excessive memory allocation when reading a file (CVE-2020-36332)

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 packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2754:03 advisory.

    * libwebp: out-of-bounds read in WebPMuxCreateInternal (CVE-2018-25009)
      * libwebp: out-of-bounds read in ApplyFilter() (CVE-2018-25010)
      * libwebp: out-of-bounds read in WebPMuxCreateInternal() (CVE-2018-25012)
      * libwebp: out-of-bounds read in ShiftBytes() (CVE-2018-25013)
      * libwebp: use of uninitialized value in ReadSymbol() (CVE-2018-25014)
      * libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c (CVE-2020-36330)
      * libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c (CVE-2020-36331)
      * libwebp: excessive memory allocation when reading a file (CVE-2020-36332)

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
150131	Ubuntu 18.04 LTS / 20.04 LTS : libwebp vulnerabilities (USN-4971-1)	Nessus	Ubuntu Local Security Checks	2021/6/1	2024/8/28	critical
150190	SUSE SLES12 Security Update : libwebp (SUSE-SU-2021:1830-1)	Nessus	SuSE Local Security Checks	2021/6/3	2023/12/27	critical
155159	RHEL 8 : libwebp (RHSA-2021:4231)	Nessus	Red Hat Local Security Checks	2021/11/11	2025/3/20	critical
155205	CentOS 8 : libwebp (CESA-2021:4231)	Nessus	CentOS Local Security Checks	2021/11/11	2021/11/11	critical
294245	MiracleLinux 8 : libwebp-1.0.0-5.el8 (AXSA:2021-2754:03)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	critical

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