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Gentoo: GLSA-202107-07 Normal: glibc Denial of Service Threat

gentoo
Calendar Grey July 5, 2021
Dist Gentoo Esm H88
A range of security flaws in the glibc library has been reported in the Gentoo Security Advisory GLSA 202107-07, posing a risk of Denial of Service attacks.
Multiple vulnerabilities in glibc could result in Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service security issue glibc gentoo linux normal severity glibc vulnerabilities

Resolution

All glibc users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.33-r1"

References

[ 1 ] CVE-2019-25013 https://nvd.nist.gov/vuln/detail/CVE-2019-25013 [ 2 ] CVE-2020-27618 https://nvd.nist.gov/vuln/detail/CVE-2020-27618 [ 3 ] CVE-2021-27645 https://nvd.nist.gov/vuln/detail/CVE-2021-27645 [ 4 ] CVE-2021-3326 https://nvd.nist.gov/vuln/detail/CVE-2021-3326 [ 5 ] CVE-2021-33574 https://nvd.nist.gov/vuln/detail/CVE-2021-33574

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202107-07
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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: glibc: Multiple vulnerabilities
Date: July 06, 2021
Bugs: #764176, #767718, #772425, #792261
ID: 202107-07

Topics%20covered

Topics Covered

security advisory denial of service security issue glibc gentoo linux normal severity glibc vulnerabilities

Synopsis

Multiple vulnerabilities in glibc could result in Denial of Service.

Background

glibc is a package that contains the GNU C library.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/glibc < 2.33-r1 >= 2.33-r1

Impact

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

Workaround

There is no known workaround at this time.

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