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CVE-2026-4424

7.5 HIGH

A flaw was found in libarchive

Published: 2026-03-19 · Last updated: 2026-06-10

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-125

Affected products

VendorProduct
libarchiveenterprise_linux, enterprise_linux_server_aus, hardened_images
redhatenterprise_linux, enterprise_linux_server_aus, hardened_images

Description

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.

Source: NVD

References

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