NetSight
high7.5

CVE-2026-4424

A flaw was found in libarchive.

Impact

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

Affected products

VendorProductAffected versions
LibarchiveLibarchive
All versions
RedhatHardened Images
All versions
RedhatOpenshift Container Platform
Versions 4.0, 4.16
RedhatOpenshift Container Platform For Arm64
Version 4.16
RedhatOpenshift Container Platform For Power
Version 4.16
RedhatEnterprise Linux
Versions 6.0, 7.0, 8.0, 9.0, 10.0
RedhatEnterprise Linux Server Aus
Versions 8.2, 8.4

Weakness classification

References