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Amazon Linux AMI: CVE-2021-3518: Security patch for libxml2 (ALAS-2023-1743)

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Amazon Linux AMI: CVE-2021-3518: Security patch for libxml2 (ALAS-2023-1743)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
05/05/2021
Created
05/05/2023
Added
05/04/2023
Modified
05/04/2023

Description

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

Solution(s)

  • amazon-linux-upgrade-libxml2

References

  • ALAS-2023-1743
  • CVE-2021-3518
  • USN-4991-1

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