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CentOS Linux: CVE-2021-45960: Important: expat security update (Multiple Advisories)

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CentOS Linux: CVE-2021-45960: Important: expat security update (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
01/01/2022
Created
03/17/2022
Added
03/17/2022
Modified
05/25/2023

Description

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

Solution(s)

  • centos-upgrade-expat
  • centos-upgrade-expat-debuginfo
  • centos-upgrade-expat-debugsource
  • centos-upgrade-expat-devel
  • centos-upgrade-expat-static

References

  • DSA-5073
  • CVE-2021-45960

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