Astra Linux – Vulnerability in giflib

A buffer overflow vulnerability exists in giflib v.5.2.2, allowing a remote attacker to cause a denial of service by overwriting an existing Graphic Control Extension block without validating its allocated size through the EGifGCBToExtension mechanism...

JLSEC-2026-822

Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size...

Updated giflib packages fix a security vulnerability

The updated packages fix a security vulnerability: Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size. CVE-2026-26740...

FreeBSD : giflib -- Buffer Overflow vulnerability (dd6096e6-8555-11f1-b4c7-00a0980083d7)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the dd6096e6-8555-11f1-b4c7-00a0980083d7 advisory. https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflibgiftoolgcelenheapoobwritedisclosure .m...

Alibaba Cloud Linux 3 : 0182: giflib (ALINUX3-SA-2026:0182)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0182 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-26740: Buffer Overflow vulnerability in...

openSUSE 16 Security Update : giflib (openSUSE-SU-2026:21076-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21076-1 advisory. This update for giflib fixes the following issue - CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a GCE...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension

A flaw was found in giflib. A remote attacker can exploit a buffer overflow vulnerability in the EGifGCBToExtension function by providing a specially crafted Graphics Control Extension GCE block. This allows overwriting an existing GCE block without proper size validation, leading to a denial of...

Security update for giflib (important)

openSUSE security update: security update for giflib ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21076-1 Rating: important References: bsc1259836 Cross-References: CVE-2026-26740 CVSS scores: CVE-2026-26740 SUSE : 8.6...

OPENSUSE-SU-2026:21076-1 Security update for giflib

This update for giflib fixes the following issue - CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a GCE block with a truncated extension byte count bsc1259836...

SUSE-SU-2026:2666-1 Security update for giflib

This update for giflib fixes the following issue - CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a GCE block with a truncated extension byte count bsc1259836...

OESA-2026-2706 giflib security update

giflib is a library of gif images and provides utilities for processing images. Security Fixes: Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validati...