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Amazon Linux AMI: CVE-2022-29824: Security patch for libxml2 (ALAS-2023-1743)

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Amazon Linux AMI: CVE-2022-29824: Security patch for libxml2 (ALAS-2023-1743)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
05/03/2022
Created
05/05/2023
Added
05/04/2023
Modified
05/04/2023

Description

In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.

Solution(s)

  • amazon-linux-upgrade-libxml2

References

  • ALAS-2023-1743
  • CVE-2022-29824
  • USN-5422-1

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