Home/CVE/Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib incl
CVE

CVE-2026-3381

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib incl

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.

CRITICAL · CVSS 9.8 EPSS 0.00041
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1284Improper Validation of Specified Quantity in Input
▤

Affected Products & Versions

1
pmqs compress\<= 2.219
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · 9b29abf9-4ab0-4765-b253-1875cd9b441e
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Mar 2026 · 02:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2026:10320-1
msrcCVE-2026-3381
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/Third Party Advisory
https://github.com/madler/zlibProduct
https://github.com/madler/zlib/releases/tag/v1.3.2Release Notes
https://github.com/pmqs/Compress-Raw-Zlib/issues/41Issue Tracking
https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/ChangesProductRelease Notes
https://www.cve.org/CVERecord?id=CVE-2026-27171Third Party Advisory
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