CVE-2026-26740

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...

EUVD-2026-12914

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...

ALPINE-CVE-2026-26740

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

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...

DEBIAN-CVE-2026-26740

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...

UBUNTU-CVE-2026-26740

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

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...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write via the EGifGCBToExtension function in giftool. An attacker can cause a system crash or denial of service by supplying a specially crafted Graphics Control Extension block that triggers a buffer overflow. Remediation...

CVE-2026-26740

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

A buffer overflow vulnerability exists in giflib v.5.2.2 within the EGifGCBToExtension function. The flaw occurs because the library fails to validate the allocated size when overwriting an existing Graphic Control Extension block. A remote attacker can exploit this to cause a denial of service (...

giflib -- Buffer Overflow vulnerability

https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflibgiftoolgcelenheapoobwritedisclosure.md reports: Buffer Overflow vulnerability in giflib allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without...

CVE-2026-26740

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...

Giflib 安全漏洞

Giflib is an open-source library and utility for processing GIFs in OpenEuler. Version 5.2.2 of giflib contains a security vulnerability. This vulnerability arises from EGifGCBToExtension failing to validate the allocated size when overriding existing graphic control extension blocks, which may...

CVE-2026-26740

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: Out-of-bounds Write

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

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...

Linux Distros Unpatched Vulnerability : CVE-2026-26740

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

giflib -- Buffer Overflow vulnerability

https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflibgiftoolgcelenheapoobwritedisclosure.md reports: 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...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-23868)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-23868 advisory. - Giflib contains a double-free vulnerability that is the result of a shallow copy in...

CBL Mariner 2.0 Security Update: CBL-Mariner Releases (CVE-2026-23868)

The version of CBL-Mariner Releases installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-23868 advisory. - Giflib contains a double-free vulnerability that is the result of a shallow copy in...