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Gentoo Linux Security Advisory 202401-18

Gentoo Linux Security Advisory 202401-18 - A vulnerability has been found in zlib that can lead to a heap-based buffer overflow. Versions greater than or equal to 1.2.13-r2 are affected.

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Gentoo Linux Security Advisory GLSA 202401-18


                                       https://security.gentoo.org/  

Severity: High
Title: zlib: Buffer Overflow
Date: January 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


sys-libs/zlib < 1.2.13-r2 >= 1.2.13-r2

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

[ 1 ] CVE-2023-45853
https://nvd.nist.gov/vuln/detail/CVE-2023-45853

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202401-18

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2024 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.

https://creativecommons.org/licenses/by-sa/2.5

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