CVE-2026-4424

Published: Mar 19, 2026 Last Modified: Mar 19, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

125

Out-of-bounds Read

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
https://access.redhat.com/security/cve/CVE-2026-4424
https://access.redhat.com/security/cve/CVE-2026-4424
https://bugzilla.redhat.com/show_bug.cgi?id=2449006
https://bugzilla.redhat.com/show_bug.cgi?id=2449006
https://github.com/libarchive/libarchive/pull/2898
https://github.com/libarchive/libarchive/pull/2898