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...

FreeBSD : giflib -- Buffer Overflow vulnerability (f55676d9-a65f-11f1-a49c-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 f55676d9-a65f-11f1-a49c-00a0980083d7 advisory. https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflibgiftoolgcelenheapoobwritedisclosure .m...

Unity Linux 20.1070a Security Update: giflib (UTSA-2026-099552)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099552 advisory. 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...

MGASA-2026-0295 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...

RLSA-2026:33502 Important: giflib security update

giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension CVE-2026-26740 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer ...

RLSA-2026:33501 Important: giflib security update

giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension CVE-2026-26740 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer ...

giflib security update

An update is available for giflib. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list giflib is a library for reading and writing gif images. Security Fixes: giflib...

giflib security update

5.2.1-10.2 - fix CVE-2026-26740: buffer overflow in EGifGCBToExtension RHEL-157133...

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...

Important: Red Hat Security Advisory: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

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...

RHEL 8 : giflib (RHSA-2026:33450)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:33450 advisory. giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension...

ALSA-2026:33501 Important: giflib security update

giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension CVE-2026-26740 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer ...

RHEL 8 : giflib (RHSA-2026:33503)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:33503 advisory. giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension...

RHEL 9 : giflib (RHSA-2026:33451)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:33451 advisory. giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension...

RHEL 9 : giflib (RHSA-2026:33452)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:33452 advisory. giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension...

ALSA-2026:33502 Important: giflib security update

giflib is a library for reading and writing gif images. Security Fixes: giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension CVE-2026-26740 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer ...