CVE-2026-3381
Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib
Description
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.
INFO
Published Date :
March 5, 2026, 2:16 a.m.
Last Modified :
March 18, 2026, 7:26 p.m.
Remotely Exploit :
Yes !
Source :
9b29abf9-4ab0-4765-b253-1875cd9b441e
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Compress::Raw::Zlib to version 2.220.
- Ensure zlib library is updated.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3381.
| URL | Resource |
|---|---|
| https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/ | Third Party Advisory |
| https://github.com/madler/zlib | Product |
| https://github.com/madler/zlib/releases/tag/v1.3.2 | Release Notes |
| https://github.com/pmqs/Compress-Raw-Zlib/issues/41 | Issue Tracking |
| https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes | Product Release Notes |
| https://www.cve.org/CVERecord?id=CVE-2026-27171 | Third Party Advisory |
| https://www.zlib.net/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3381 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3381
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3381 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3381 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 18, 2026
Action Type Old Value New Value Added CWE CWE-1284 Added CPE Configuration OR *cpe:2.3:a:pmqs:compress::raw::zlib:*:*:*:*:*:perl:*:* versions up to (including) 2.219 Added Reference Type CPANSec: https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/ Types: Third Party Advisory Added Reference Type CPANSec: https://github.com/madler/zlib Types: Product Added Reference Type CPANSec: https://github.com/madler/zlib/releases/tag/v1.3.2 Types: Release Notes Added Reference Type CPANSec: https://github.com/pmqs/Compress-Raw-Zlib/issues/41 Types: Issue Tracking Added Reference Type CPANSec: https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes Types: Product, Release Notes Added Reference Type CPANSec: https://www.cve.org/CVERecord?id=CVE-2026-27171 Types: Third Party Advisory Added Reference Type CPANSec: https://www.zlib.net/ Types: Product -
CVE Modified by 9b29abf9-4ab0-4765-b253-1875cd9b441e
Mar. 07, 2026
Action Type Old Value New Value Added Reference https://github.com/pmqs/Compress-Raw-Zlib/issues/41 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 05, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 9b29abf9-4ab0-4765-b253-1875cd9b441e
Mar. 05, 2026
Action Type Old Value New Value Added Description 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. Added Reference https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/ Added Reference https://github.com/madler/zlib Added Reference https://github.com/madler/zlib/releases/tag/v1.3.2 Added Reference https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes Added Reference https://www.cve.org/CVERecord?id=CVE-2026-27171 Added Reference https://www.zlib.net/