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Gentoo: GLSA 202007-28 Normal: re2c Buffer Overflow Denial of Service

gentoo
Calendar Grey July 26, 2020
Dist Gentoo Esm H88
Gentoo GLSA 202008-09 fixes a critical issue in libxml2, which may result in arbitrary code execution; immediate update is advised.
A vulnerability in re2c could lead to a Denial of Service condition.

Summary

A heap buffer overflow vulnerability was discovered in re2c.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow software update Denial of Service normal severity re2c

Resolution

All re2c users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-util/re2c-1.3-r1"

References

[ 1 ] CVE-2020-11958 https://nvd.nist.gov/vuln/detail/CVE-2020-11958

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-28
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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.

Severity: Normal
Title: re2c: Buffer overflow
Date: July 27, 2020
Bugs: #718350
ID: 202007-28

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow software update Denial of Service normal severity re2c

Synopsis

A vulnerability in re2c could lead to a Denial of Service condition.

Background

re2c is a tool for generating C-based recognizers from regular expressions.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-util/re2c < 1.3-r1 >= 1.3-r1

Impact

===== An attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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