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Ubuntu: USN-4991-1 (CVE-2021-3516): libxml2 vulnerabilities

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Ubuntu: USN-4991-1 (CVE-2021-3516): libxml2 vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
05/05/2021
Created
06/21/2021
Added
06/18/2021
Modified
03/22/2023

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)

  • ubuntu-upgrade-libxml2
  • ubuntu-upgrade-libxml2-utils

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