Hans Jerry Illikainen reports :

A heap overflow may occur in the giffix utility included in giflib-5.1.1 when processing records of the type `IMAGE_DESC_RECORD_TYPE' due to the allocated size of `LineBuffer' equaling the value of the logical screen width, `GifFileIn->SWidth', while subsequently having `GifFileIn->Image.Width' bytes of data written to it.

This update for giflib fixes the following issues :

  - CVE-2015-7555: Heap overflow in giffix (bsc#960319)

  - bsc#949160: Fix a memory leak

This update for giflib fixes the following issues :

  - CVE-2015-7555: Heap overflow in giffix (bsc#960319)

  - bsc#949160: Fix a memory leak

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.

This update for giflib fixes the following issues :

  - CVE-2015-7555: Heap overflow in giffix (bsc#960319)

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 following patch fixes 

  - a heap overflow in giffix

  - a memory leak in libgif6

This update for giflib fixes the following issues :

  - CVE-2015-7555: Heap overflow in giffix (bsc#960319)

  - bsc#949160: Fix a memory leak This update was imported     from the SUSE:SLE-12:Update update project.

It was discovered that a maliciously crafted GIF can crash the giffix utility which is part of giflib-tools.

We recommend that you upgrade your giflib-tools package to version 4.1.6-9+deb6u1 (Debian squeeze LTS).

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.

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

  - Heap-based buffer overflow in util/gif2rgb.c in gif2rgb     in giflib 5.1.2 allows remote attackers to cause a     denial of service (application crash) via the     background color index in a GIF file.(CVE-2016-3977)

  - Heap-based buffer overflow in giffix.c in giffix in     giflib 5.1.1 allows attackers to cause a denial of     service (program crash) via crafted image and logical     screen width fields in a GIF file.(CVE-2015-7555)

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

  - Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attackers to cause a denial of     service (program crash) via crafted image and logical screen width fields in a GIF file. (CVE-2015-7555)

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

Security fix for CVE-2015-7555.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora 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 giflib package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In GIFLIB before 2019-02-16, a malformed GIF file     triggers a divide-by-zero exception in the decoder     function DGifSlurp in dgif_lib.c if the height field of     the ImageSize data structure is equal to     zero.(CVE-2019-15133)

  - Heap-based buffer overflow in giffix.c in giffix in     giflib 5.1.1 allows attackers to cause a denial of     service (program crash) via crafted image and logical     screen width fields in a GIF file.(CVE-2015-7555)

  - Heap-based buffer overflow in util/gif2rgb.c in gif2rgb     in giflib 5.1.2 allows remote attackers to cause a     denial of service (application crash) via the     background color index in a GIF file.(CVE-2016-3977)

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 giflib package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Heap-based buffer overflow in giffix.c in giffix in     giflib 5.1.1 allows attackers to cause a denial of     service (program crash) via crafted image and logical     screen width fields in a GIF file.(CVE-2015-7555)

  - Heap-based buffer overflow in util/gif2rgb.c in gif2rgb     in giflib 5.1.2 allows remote attackers to cause a     denial of service (application crash) via the     background color index in a GIF file.(CVE-2016-3977)

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.

ID	Name	Product	Family	Published	Updated	Severity
89014	FreeBSD : giflib -- heap overflow (90c8385a-dc9f-11e5-8fa8-14dae9d210b8)	Nessus	FreeBSD Local Security Checks	2/29/2016	1/4/2021	medium
88139	openSUSE Security Update : giflib (openSUSE-2016-72)	Nessus	SuSE Local Security Checks	1/25/2016	1/19/2021	medium
88143	SUSE SLED12 / SLES12 Security Update : giflib (SUSE-SU-2016:0202-1)	Nessus	SuSE Local Security Checks	1/25/2016	1/6/2021	medium
88141	SUSE SLED11 / SLES11 Security Update : giflib (SUSE-SU-2016:0192-1)	Nessus	SuSE Local Security Checks	1/25/2016	1/6/2021	medium
88159	openSUSE Security Update : giflib (openSUSE-2016-76)	Nessus	SuSE Local Security Checks	1/26/2016	1/19/2021	medium
88543	openSUSE Security Update : giflib (openSUSE-2016-118)	Nessus	SuSE Local Security Checks	2/3/2016	1/19/2021	medium
87957	Debian DLA-389-1 : giflib security update	Nessus	Debian Local Security Checks	1/18/2016	1/11/2021	medium
130861	EulerOS 2.0 SP5 : giflib (EulerOS-SA-2019-2152)	Nessus	Huawei Local Security Checks	11/12/2019	4/12/2024	medium
219063	Linux Distros Unpatched Vulnerability : CVE-2015-7555	Nessus	Misc.	3/4/2025	9/3/2025	medium
89228	Fedora 23 : mingw-giflib-5.0.5-4.fc23 (2015-44fb3501cc)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	medium
89422	Fedora 22 : mingw-giflib-5.0.5-4.fc22 (2015-d423b3276f)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	medium
131651	EulerOS 2.0 SP2 : giflib (EulerOS-SA-2019-2498)	Nessus	Huawei Local Security Checks	12/4/2019	4/8/2024	medium
132122	EulerOS 2.0 SP3 : giflib (EulerOS-SA-2019-2587)	Nessus	Huawei Local Security Checks	12/18/2019	4/4/2024	medium

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