CVE-2026-42495

CVE-2026-42495 affects the libfsimage iso9660 driver. The vulnerability stems from deriving several lengths directly from attacker-controlled on-disk fields without validation, with the System Use area calculation potentially underflowing. The connected documents do not provide explicit impact, e...

buffer overruns in libfsimage iso9660 handling

ISSUE DESCRIPTION The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them: The directory loop itself assumes a good record length. This is CVE-2026-42494. The calculation of the System...

PT-2026-65466

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them:...

PT-2026-65467

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them:...

SUSE-SU-2026:2747-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches bsc1253088. - CVE-2026-4424: information disclosure via heap out-of-bounds read in RAR archive processing bsc1259928. - CVE-2026-4426: undefined behavior due to unvalidat...

EulerOS 2.0 SP15 : libarchive (EulerOS-SA-2026-2486)

According to the versions of the libarchive packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of...

SUSE-SU-2026:2599-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches bsc1253088. - CVE-2026-4111: logical deadlock the RAR5 filter subsystem and the half-window output limiter leads to infinite loop and DoS bsc1259635. - CVE-2026-4424:...

SUSE-SU-2026:2490-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches bsc1253088. - CVE-2026-4111: logical deadlock the RAR5 filter subsystem and the half-window output limiter leads to infinite loop and DoS bsc1259635. - CVE-2026-4424:...

SUSE-SU-2026:22248-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches bsc1253088. - CVE-2026-4111: logical deadlock the RAR5 filter subsystem and the half-window output limiter leads to infinite loop and DoS bsc1259635. - CVE-2026-4424:...

SUSE-SU-2026:22241-1 Security update for libarchive

This update for libarchive fixes the following issues - CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches bsc1253088. - CVE-2026-4111: logical deadlock the RAR5 filter subsystem and the half-window output limiter leads to infinite loop and DoS bsc1259635. - CVE-2026-4424:...

EulerOS 2.0 SP13 : libarchive (EulerOS-SA-2026-2337)

According to the versions of the libarchive packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata processing...

Linux Distros Unpatched Vulnerability : CVE-2026-46303

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - isofs: validate Rock Ridge CE continuation extent against volume size rockcontinue reads rs-contextent verbatim from the Rock Ridge CE record and passes it to...

USN-8292-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use this issue to cause an out-of-bounds read via a crafted RAR archive, leading to sensitive memory disclosure. CVE-2026-4424 It was discovered that libarchive incorrectly handled certain ISO...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libarchive (UTSA-2026-021482)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021482 advisory. A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can explo...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libarchive (UTSA-2026-021469)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021469 advisory. A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field pzlog2bs read...

CLSA-2026-1777365744 libarchive: Fix of CVE-2026-5121

Fix CVE-2026-5121: heap buffer overflow in ISO9660 reader via invalid pzlog2bs value in Rock Ridge ZF extension...

Important: libarchive

Issue Overview: A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could...

Amazon Linux 2 : libarchive, --advisory ALAS2-2026-3257 (ALAS-2026-3257)

The version of libarchive installed on the remote host is prior to 3.1.2-14. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3257 advisory. A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer...

CLSA-2026-1777366496 libarchive: Fix of CVE-2026-5121

Fix CVE-2026-5121: heap buffer overflow in ISO9660 reader via invalid pzlog2bs value in Rock Ridge ZF extension...

[SECURITY] Fedora 44 Update: libarchive-3.8.7-1.fc44

Libarchive is a programming library that can create and read several different streaming archive formats, including most popular tar variants, several cpio formats, and both BSD and GNU ar variants. It can also write shar archives and read ISO9660 CDROM images and ZIP archives...