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Gentoo GLSA-202006-16 Denial of Service in PCRE2 - Normal Severity

gentoo
Calendar Grey June 15, 2020
Dist Gentoo Esm H88
Gentoo GLSA 202309-12: Notice regarding OpenSSL Vulnerability with comprehensive installation guidance accessible
A vulnerability in PCRE2 could lead to a Denial of Service condition.

Summary

PCRE2 has a flaw when handling JIT-compiled regex using the \X pattern.

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity pcre2

Resolution

All PCRE2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34"

References

[ 1 ] CVE-2019-20454 https://nvd.nist.gov/vuln/detail/CVE-2019-20454

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202006-16
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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: PCRE2: Denial of service
Date: June 15, 2020
Bugs: #717800
ID: 202006-16

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity pcre2

Synopsis

A vulnerability in PCRE2 could lead to a Denial of Service condition.

Background

PCRE2 is a project based on PCRE (Perl Compatible Regular Expressions) which has a new and revised API.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/pcre2 < 10.34 >= 10.34

Impact

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

Workaround

There is no known workaround at this time.

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