#VU123896 Resource exhaustion in Compress-Raw-Zlib - CVE-2026-3381
Published: March 11, 2026
Vulnerability identifier: #VU123896
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-3381
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Compress-Raw-Zlib
Compress-Raw-Zlib
Software vendor:
PMQS
PMQS
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the application uses a vulnerable version of the zlib library (#VU123895, CVE-2026-27171). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/
- https://github.com/madler/zlib
- https://github.com/madler/zlib/releases/tag/v1.3.2
- https://github.com/pmqs/Compress-Raw-Zlib/issues/41
- https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes
- https://www.cve.org/CVERecord?id=CVE-2026-27171
- https://www.zlib.net/