MGASA-2021-0213 - Updated libxml2 packages fix security vulnerabilities

Publication date: 19 May 2021
URL: https://advisories.mageia.org/MGASA-2021-0213.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-3516,
     CVE-2021-3517,
     CVE-2021-3518,
     CVE-2021-3537

The updated packages fix security vulnerabilities:

Use-after-free in xmlEncodeEntitiesInternal() in entities.c.
(CVE-2021-3516)

Heap-based buffer overflow in xmlEncodeEntitiesInternal() in
entities.c. (CVE-2021-3517)

Use-after-free in xmlXIncludeDoProcess() in xinclude.c.
(CVE-2021-3518)

NULL pointer dereference in valid.c in xmlValidBuildAContentModel.
(CVE-2021-3537)

References:
- https://bugs.mageia.org/show_bug.cgi?id=28902
- https://www.debian.org/lts/security/2021/dla-2653
- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/HLCJPB5W3FKJ7HO6DH6UVA3GP6IVZ37L/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3516
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3517
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3518
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3537

SRPMS:
- 8/core/libxml2-2.9.10-7.1.mga8
- 7/core/libxml2-2.9.9-2.6.mga7