GLSA 202401-18: zlib: Buffer Overflow

Severity:high
Title:zlib: Buffer Overflow
Date:01/15/2024
Bugs: #916484
ID:202401-18

Synopsis

A vulnerability has been found in zlib that can lead to a heap-based buffer overflow.

Background

zlib is a widely used free and patent unencumbered data compression library.

Affected packages

Package Vulnerable Unaffected Architecture(s)
sys-libs/zlib < 1.2.13-r2 >= 1.2.13-r2 All supported architectures

Description

A vulnerability has been discovered in zlib. Please review the CVE identifier referenced below for details.

Impact

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in ZipOpenNewFileInZip4_64 via a long filename, comment, or extra field.

Workaround

There is no known workaround at this time.

Resolution

All zlib users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=sys-libs/zlib-1.2.13-r2"
        

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202401-18.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!