Vulnerability · NVD

CVE-2026-4424

CVE-2026-4424 : high severity (CVSS 7.5). No tracked catalog app is linked to this CVE.

Severity (CVSS): 7.5
Exploitation: 1.1 %
Tracked apps: 0
Still exposed: 0

Published on 2026-03-19

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.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS 1.07% above median percentile 63.4%

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

iOS Fixed in 26.6 18.7.10
iPadOS Fixed in 26.6 18.7.10
macOS Fixed in 26.6 15.7.8 14.8.8

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