Out-of-bounds Read Affecting libarchive package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (35th percentile)

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  • Snyk IDSNYK-CONAN-LIBARCHIVE-15763575
  • published25 Mar 2026
  • disclosed19 Mar 2026
  • creditUnknown

Introduced: 19 Mar 2026

NewCVE-2026-4424  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read via the rar archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. An attacker can disclose sensitive heap memory information by submitting a specially crafted RAR archive.

CVSS Base Scores

version 4.0
version 3.1