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Oracle Linux: CVE-2021-45960: ELSA-2022-0951: expat security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2021-45960: ELSA-2022-0951: expat security update (IMPORTANT) (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
01/17/2022
Created
03/19/2022
Added
10/16/2024
Modified
10/17/2024

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). expat (libexpat) is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to buffer overrun. The highest threat from this vulnerability is to availability.

Solution(s)

  • oracle-linux-upgrade-expat
  • oracle-linux-upgrade-expat-devel
  • oracle-linux-upgrade-expat-static

References

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