CVE-2026-3381: Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Published Mar 5, 2026
·
Updated

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

Affected Software

5 affected componentsFixes available
cpan/Compress-Raw-Zlib<=2.219
Microsoft azl3 zlib 1.3.1-1
Patch available
Pmqs Compress\<=2.219
IBM Engineering Requirements Management DOORS and DOORS Web Access<=9.7.2.1 - 9.7.2.11
IBM Engineering Requirements Management DOORS and DOORS Web Access<=9.6.1.1 - 9.6.1.13

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Compress::Raw::Zlib to a version that resolves this vulnerability.

    Fixed in 2.220

Event History

Mar 5, 2026
CVE Published
via MITRE·01:28 AM
Data Sourced
via MITRE·01:28 AM
RemedyDescriptionWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
Mar 7, 2026
Data Sourced
via Microsoft·09:03 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·09:03 AM
DescriptionSeverity
Jul 6, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-3381?

CVE-2026-3381 is classified as a medium severity vulnerability due to the potential for exploitation through insecure versions of zlib.

2

How do I fix CVE-2026-3381?

To fix CVE-2026-3381, upgrade to Compress::Raw::Zlib version 2.220 or later which resolves the issue.

3

Which versions are affected by CVE-2026-3381?

CVE-2026-3381 affects all Compress::Raw::Zlib versions up to and including 2.219.

4

What software can be impacted by CVE-2026-3381?

CVE-2026-3381 can impact any software that relies on Compress::Raw::Zlib versions through 2.219 for data compression.

5

Is there an alternative to Compress::Raw::Zlib for avoiding CVE-2026-3381?

While upgrading is recommended, users may consider using other compression libraries that are not affected by this vulnerability.

Company

Resources

Contact

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