#VU124068 Infinite loop in libarchive - CVE-2026-4111

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Main Vulnerability Database Vulnerabilities #VU124068

#VU124068 Infinite loop in libarchive - CVE-2026-4111

Published: March 17, 2026


Vulnerability identifier: #VU124068
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/U:Green
CVE-ID: CVE-2026-4111
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libarchive
Software vendor:
libarchive

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the RAR5 decompression implementation. A remote attacker can pass specially crafted compressed data to the application, consume all available system resources and cause denial of service conditions.


Remediation

Install updates from vendor's website.

External links