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-2026-2887 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...

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...

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

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7-Zip <= 26.01 Mark-of-the-Web Bypass (CVE-2026-58052)

The version of 7-Zip installed on the remote Windows host is 26.01 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...

Linux Distros Unpatched Vulnerability : CVE-2026-14191

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds heap write exists in the RAR5 recovery-volume .rev parser in WinRAR and UnRAR RecVolumes5::ReadHeader in recvol5.cpp. The RecItems vector is...

DEBIAN-CVE-2026-14191

An out-of-bounds heap write exists in the RAR5 recovery-volume .rev parser in WinRAR and UnRAR RecVolumes5::ReadHeader in recvol5.cpp. The RecItems vector is sized only when the first .rev file in a set is processed; subsequent .rev files supply an independent RecNum value that is validated again...

SUSE 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-2026-14191

An out-of-bounds heap write exists in the RAR5 recovery-volume .rev parser in WinRAR and UnRAR RecVolumes5::ReadHeader in recvol5.cpp. The RecItems vector is sized only when the first .rev file in a set is processed; subsequent .rev files supply an independent RecNum value that is validated again...

AZL-91713 CVE-2026-14164 affecting package libarchive for versions less than 3.7.7-7

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...

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

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...

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...

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: informati...