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Ubuntu: USN-3739-1 (CVE-2017-18258): libxml2 vulnerabilities

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Ubuntu: USN-3739-1 (CVE-2017-18258): libxml2 vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
04/08/2018
Created
03/19/2019
Added
08/17/2018
Modified
09/12/2020

Description

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

Solution(s)

  • ubuntu-upgrade-libxml2
  • ubuntu-upgrade-libxml2-utils
  • ubuntu-upgrade-python-libxml2
  • ubuntu-upgrade-python3-libxml2

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