CVE-2026-3381

CRITICAL9.8

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

Published Mar 5, 2026

Modified 2 days ago

Details

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.

References

WEB

https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/

WEB

https://github.com/madler/zlib

WEB

https://github.com/madler/zlib/releases/tag/v1.3.2

WEB

https://github.com/pmqs/Compress-Raw-Zlib/issues/41

WEB

https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-27171

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-3381

WEB

https://www.zlib.net/

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Other

CWE-1395

Ecosystems

Timeline

PublishedMar 5, 2026

ModifiedMar 11, 2026