Linux Distros Unpatched Vulnerability : CVE-2026-58052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an...

OESA-2026-2889 libarchive security update

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security...

OESA-2026-2888 libarchive security update

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security...

OESA-2026-2887 libarchive security update

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security...

Libarchive: double-free vulnerability in rar5 decompression logic via dangling filtered_buf pointer in init_unpack()

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7-Zip <= 26.02 Mark-of-the-Web Bypass (CVE-2026-58052)

The version of 7-Zip installed on the remote Windows host is 26.02 or earlier. It is, therefore, affected by a vulnerability: - 7-Zip for Windows fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier...

CVE-2026-14164

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filteredbuf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of...

CVE-2026-14164

CVE-2026-14164 concerns libarchive’s RAR5 reader. A double-free arises when a filtered_buf pointer remains stale after being freed during unpack state reinitialization, allowing a second free on processing a subsequent archive entry. The issue is triggered by parsing a specially crafted RAR5 arch...

CVE-2026-14164

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filteredbuf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of...

Linux Distros Unpatched Vulnerability : CVE-2026-14164

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filteredbuf pointer may remain stal...

CVE-2026-58052

Technical details are not publicly available in the provided documents; monitor for updates.

CVE-2026-58052 7-Zip - Mark-of-the-Web Bypass via RAR5 Alternate Data Stream Name Collision

7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched...

libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack()

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filteredbuf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of...

Astra Linux – Vulnerability in libarchive

A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata processing path. When a specially crafted RAR5 archive is processed, the decompression routine may enter a state where internal logic prevents further progress. This...

PT-2026-53084

Name of the Vulnerable Software and Affected Versions 7-Zip for Windows versions prior to 26.02 Description 7-Zip fails to preserve the Mark-of-the-Web MotW when extracting a specially crafted RAR5 archive. The software uses a guard to suppress archive-supplied Zone.Identifier streams, but it onl...

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:...

EulerOS Virtualization 2.13.0 : libarchive (EulerOS-SA-2026-2401)

According to the versions of the libarchive packages installed, the EulerOS Virtualization 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 archivereaddat...

EulerOS Virtualization 2.13.1 : libarchive (EulerOS-SA-2026-2372)

According to the versions of the libarchive packages installed, the EulerOS Virtualization 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 archivereaddat...

EulerOS 2.0 SP11 : libarchive (EulerOS-SA-2026-2248)

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...