Double Free Affecting bsdtar package, versions <0:3.7.7-10.el10_2


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.49% (40th percentile)

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  • Snyk IDSNYK-ALMALINUX10-BSDTAR-18748576
  • published13 Aug 2026
  • disclosed10 Aug 2026

Introduced: 10 Aug 2026

NewCVE-2026-14164  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 bsdtar to version 0:3.7.7-10.el10_2 or higher.
This issue was patched in ALSA-2026:52675.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bsdtar package and not the bsdtar package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 relevant fixed versions and status.

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.

CVSS Base Scores

version 3.1