GLSA 202210-42: zlib: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	zlib: Multiple vulnerabilities
Date:	10/31/2022
Bugs:	#863851, #835958
ID:	202210-42

Synopsis

A buffer overflow in zlib might allow an attacker to cause remote code execution.

Background

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

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-libs/zlib	< 1.2.12-r3	>= 1.2.12-r3	All supported architectures

Description

Multiple vulnerabilities have been discovered in zlib. Please review the CVE identifiers referenced below for details.

Impact

Maliciously crafted input handled by zlib may result in remote code execution.

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-1.2.12-r3"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202210-42.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.