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Red Hat: CVE-2021-3516: CVE-2021-3516 libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (Multiple Advisories)

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Red Hat: CVE-2021-3516: CVE-2021-3516 libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
06/01/2021
Created
06/30/2021
Added
06/30/2021
Modified
12/15/2023

Description

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

Solution(s)

  • redhat-upgrade-libxml2
  • redhat-upgrade-libxml2-debuginfo
  • redhat-upgrade-libxml2-debugsource
  • redhat-upgrade-libxml2-devel
  • redhat-upgrade-python3-libxml2
  • redhat-upgrade-python3-libxml2-debuginfo

References

  • CVE-2021-3516
  • RHSA-2021:2569

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