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Gentoo: 202209-24 High Risk: Expat Code Execution Threat

gentoo
Calendar Grey September 29, 2022
Dist Gentoo Esm H88
Serious flaws in Expat may allow arbitrary code execution. It is recommended to perform an upgrade to enhance security.
Multiple vulnerabilities have been discovered in Expat, the worst of which could result in arbitrary code execution.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo software update code execution high risk expat

Resolution

All Expat users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.4.9"

References

[ 1 ] CVE-2021-45960 https://nvd.nist.gov/vuln/detail/CVE-2021-45960 [ 2 ] CVE-2021-46143 https://nvd.nist.gov/vuln/detail/CVE-2021-46143 [ 3 ] CVE-2022-22822 https://nvd.nist.gov/vuln/detail/CVE-2022-22822 [ 4 ] CVE-2022-22823 https://nvd.nist.gov/vuln/detail/CVE-2022-22823 [ 5 ] CVE-2022-22824 https://nvd.nist.gov/vuln/detail/CVE-2022-22824 [ 6 ] CVE-2022-22825 https://nvd.nist.gov/vuln/detail/CVE-2022-22825 [ 7 ] CVE-2022-22826 https://nvd.nist.gov/vuln/detail/CVE-2022-22826 [ 8 ] CVE-2022-22827 https://nvd.nist.gov/vuln/detail/CVE-2022-22827 [ 9 ] CVE-2022-23852 https://nvd.nist.gov/vuln/detail/CVE-2022-23852 [ 10 ] CVE-2022-23990 https://nvd.nist.gov/vuln/detail/CVE-2022-23990 [ 11 ] CVE-2022-25235 https://nvd.nist.gov/vuln/detail/CVE-2022-25235 [ 12 ] CVE-2022-25236 https://nvd.nist.gov/vuln/detail/CVE-2022-25236 [ 13 ] CVE-2022-25313 https://nvd.nist.gov/vuln/detail/CVE-2022-25313 [ 14 ] CVE-2022-25...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202209-24
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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: High
Title: Expat: Multiple Vulnerabilities
Date: September 29, 2022
Bugs: #791703, #830422, #831918, #833431, #870097
ID: 202209-24

Topics%20covered

Topics Covered

security advisory gentoo software update code execution high risk expat

Synopsis

Multiple vulnerabilities have been discovered in Expat, the worst of which could result in arbitrary code execution.

Background

Expat is a set of XML parsing libraries.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/expat < 2.4.9 >= 2.4.9

Impact

===== Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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