GLSA 202003-41: GNU FriBidi: Heap-based buffer overflow

http://security.gentoo.org/

Severity:	normal
Title:	GNU FriBidi: Heap-based buffer overflow
Date:	03/19/2020
Bugs:	#699338
ID:	202003-41

Synopsis

A heap-based buffer overflow in GNU FriBidi might allow remote attackers to execute arbitrary code.

Background

The Free Implementation of the Unicode Bidirectional Algorithm.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/fribidi	< 1.0.8	>= 1.0.8	All supported architectures

Description

A heap-based buffer overflow vulnerability was found in GNU FriBidi.

Impact

A remote attacker could possibly cause a memory corruption, execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All FriBidi users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/fribidi-1.0.8"

References

CVE-2019-18397

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-41.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.