Uncontrolled Memory Allocation in rardecode - CVE-2025-11579
Published: November 7, 2025
Vulnerability identifier: #VU118192
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11579
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to software fails to restrict the dictionary size when reading large RAR dictionary sizes. A remote attacker can provide a specially crafted RAR archive and consume all available memory resources.
Affected software
rardecode
Fedora
chezmoi
gitleaks
Fedora
chezmoi
gitleaks
How to mitigate CVE-2025-11579
Install updates from vendor's website.
rardecode - update to 2.2.0
chezmoi - addressed in versions 2.69.4-1.el9, 2.69.4-1.el10_2, 2.69.4-1.el10_3, 2.69.4-1.fc42
gitleaks - update to 8.29.0-1.fc42
chezmoi - addressed in versions 2.69.4-1.el9, 2.69.4-1.el10_2, 2.69.4-1.el10_3, 2.69.4-1.fc42
gitleaks - update to 8.29.0-1.fc42