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Amazon Linux AMI 2: CVE-2021-3537: Security patch for libxml2 (ALAS-2021-1677)

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Amazon Linux AMI 2: CVE-2021-3537: Security patch for libxml2 (ALAS-2021-1677)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
05/14/2021
Created
07/02/2021
Added
07/02/2021
Modified
09/30/2022

Description

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

Solution(s)

  • amazon-linux-ami-2-upgrade-libxml2
  • amazon-linux-ami-2-upgrade-libxml2-debuginfo
  • amazon-linux-ami-2-upgrade-libxml2-devel
  • amazon-linux-ami-2-upgrade-libxml2-python
  • amazon-linux-ami-2-upgrade-libxml2-static

References

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