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Amazon Linux AMI 2: CVE-2021-45960: Security patch for expat (ALAS-2022-1788)

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Amazon Linux AMI 2: CVE-2021-45960: Security patch for expat (ALAS-2022-1788)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
01/01/2022
Created
07/16/2022
Added
07/04/2022
Modified
07/14/2022

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)

  • amazon-linux-ami-2-upgrade-expat
  • amazon-linux-ami-2-upgrade-expat-debuginfo
  • amazon-linux-ami-2-upgrade-expat-devel
  • amazon-linux-ami-2-upgrade-expat-static

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