A vulnerability was discovered in libgd2, the GD graphics library, whereby an attacker can employ a specific function call sequence to trigger a NULL pointer dereference, subsequently crash the application using libgd2, and create a denial of service.

For Debian 8 'Jessie', this problem has been fixed in version 2.1.0-5+deb8u14.

We recommend that you upgrade your libgd2 packages.

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

This update for gd fixes the following issues :

Security issue fixed :

CVE-2018-14553: Fixed a NULL pointer dereference in gdImageClone (bsc#1165471).

CVE-2019-11038: Fixed a information disclosure in gdImageCreateFromXbm() (bsc#1140120).

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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4659 advisory.

    - Fix CVE-2018-14553 - Potential Null pointer dereference in gdImageClone       Resolves: RHBZ#1811788
    - Fixed heap based buffer overflow in gd_color_match.c:gdImageColorMatch() in libgd as used in     imagecolormatch()       Resolves: RHBZ#1678104 (CVE-2019-6977)

Tenable has extracted the preceding description block directly from the Oracle 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 Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2020:4659 advisory.

  - gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to     crash an application via a specific function call sequence. Only affects PHP when linked with an external     libgd (not bundled). (CVE-2018-14553)

  - gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the     imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before     7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger     imagecolormatch calls with crafted image data. (CVE-2019-6977)

  - The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in     gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected. (CVE-2019-6978)

Note that Nessus has not tested for these issues 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:2020-1002:01 advisory.

    * gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c (CVE-2019-6977)
      * gd: NULL pointer dereference in gdImageClone (CVE-2018-14553)
      * gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c (CVE-2019-6978)

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.

New gd packages are available for Slackware 14.2 and -current to fix security issues.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4316-1 advisory.

    It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could     possibly use this issue to cause GD Graphics Library to crash, resulting in a denial of service.
    (CVE-2018-14553)

    It was discovered that GD Graphics Library incorrectly handled loading images from X bitmap format files.
    An attacker could possibly use this issue to cause GD Graphics Library to crash, resulting in a denial of     service, or to disclose contents of the stack that has been left there by previous code. This issue only     affected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-11038)

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.

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

  - In the GD Graphics Library (aka LibGD) through 2.2.5,     there is a heap-based buffer over-read in tiffWriter in     gd_tiff.c. NOTE: the vendor says 'In my opinion this     issue should not have a CVE, since the GD and GD2     formats are documented to be 'obsolete, and should only     be used for development and testing     purposes.''(CVE-2017-6363)

  - gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5     has a NULL pointer dereference allowing attackers to     crash an application via a specific function call     sequence. Only affects PHP when linked with an external     libgd (not bundled).(CVE-2018-14553)

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.

According to the versions of the gd package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - ** RESERVED ** This candidate has been reserved by an     organization or individual that will use it when     announcing a new security problem. When the candidate     has been publicized, the details for this candidate     will be provided.(CVE-2018-14553)

  - ** RESERVED ** This candidate has been reserved by an     organization or individual that will use it when     announcing a new security problem. When the candidate     has been publicized, the details for this candidate     will be provided.(CVE-2017-6363)

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.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4659 advisory.

  - gd: NULL pointer dereference in gdImageClone (CVE-2018-14553)

  - gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c (CVE-2019-6977)

  - gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c (CVE-2019-6978)

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

The remote NewStart CGSL host, running version MAIN 6.02, has gd packages installed that are affected by multiple vulnerabilities:

  - The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in     gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected. (CVE-2019-6978)

  - gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the     imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before     7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger     imagecolormatch calls with crafted image data. (CVE-2019-6977)

  - gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to     crash an application via a specific function call sequence. Only affects PHP when linked with an external     libgd (not bundled). (CVE-2018-14553)

Note that Nessus has not tested for this issue 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
133730	Debian DLA-2106-1 : libgd2 security update	Nessus	Debian Local Security Checks	2020/2/18	2024/3/27	high
134297	SUSE SLED15 / SLES15 Security Update : gd (SUSE-SU-2020:0594-1)	Nessus	SuSE Local Security Checks	2020/3/6	2024/3/25	medium
142777	Oracle Linux 8 : gd (ELSA-2020-4659)	Nessus	Oracle Linux Local Security Checks	2020/11/12	2024/10/22	critical
184930	Rocky Linux 8 : gd (RLSA-2020:4659)	Nessus	Rocky Linux Local Security Checks	2023/11/7	2023/11/7	critical
291715	MiracleLinux 8 : gd-2.2.5-7.el8 (AXSA:2020-1002:01)	Nessus	Miracle Linux Local Security Checks	2026/1/19	2026/1/19	critical
134850	Slackware 14.2 / current : gd (SSA:2020-083-01)	Nessus	Slackware Local Security Checks	2020/3/24	2024/3/21	critical
183650	Ubuntu 16.04 LTS / 18.04 LTS : GD Graphics Library vulnerabilities (USN-4316-1)	Nessus	Ubuntu Local Security Checks	2023/10/21	2025/9/3	medium
139132	EulerOS 2.0 SP8 : gd (EulerOS-SA-2020-1802)	Nessus	Huawei Local Security Checks	2020/7/30	2024/2/27	high
140004	EulerOS Virtualization for ARM 64 3.0.6.0 : gd (EulerOS-SA-2020-1901)	Nessus	Huawei Local Security Checks	2020/8/28	2024/2/22	high
145893	CentOS 8 : gd (CESA-2020:4659)	Nessus	CentOS Local Security Checks	2021/2/1	2021/3/23	critical
147709	NewStart CGSL MAIN 6.02 : gd Multiple Vulnerabilities (NS-SA-2021-0066)	Nessus	NewStart CGSL Local Security Checks	2021/3/11	2021/3/12	critical

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