Vulnerability in Pmqs Compress\
CVE-2026-3381
Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.002
Affected products
- Pmqs Compress\ — versions \
- Pmqs Compress::raw::zlib — versions 0
- Pmqs Compress\:\:raw\:\:zlib
Weakness classification (CWE)
References
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Product, Release Notes)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Product)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Product)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Release Notes)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (technical-description, Third Party Advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, vendor-advisory, Third Party Advisory, vdb-entry)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (issue-tracking, Issue Tracking)
Frequently asked questions
- What is CVE-2026-3381?
- CVE-2026-3381 is a critical-severity vulnerability in Pmqs Compress\, classified under Improper Validation of Specified Quantity in Input. CVSS score: 9.8/10. Published 2026-03-05.
- How severe is CVE-2026-3381?
- Critical severity. CVSS v3 base score is 9.8 out of 10.