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Amazon Linux AMI: CVE-2022-40303: Security patch for libxml2 (ALAS-2023-1743)

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Amazon Linux AMI: CVE-2022-40303: Security patch for libxml2 (ALAS-2023-1743)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/22/2022
Created
05/05/2023
Added
05/04/2023
Modified
05/04/2023

Description

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

Solution(s)

  • amazon-linux-upgrade-libxml2

References

  • ALAS-2023-1743
  • CVE-2022-40303
  • USN-5760-1
  • USN-5760-2

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