PublicDateAtUSN: 2020-09-04 00:15:00 UTC
Candidate: CVE-2020-24977
PublicDate: 2020-09-04 00:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24977
 https://ubuntu.com/security/notices/USN-4991-1
Description:
 GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability
 in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been
 fixed in commit 50f06b3e.
Ubuntu-Description:
Notes:
 mdeslaur> only affects xmllint
 mdeslaur> contrary to description, not fixed in 8e7c20a1
Mitigation:
Bugs:
 https://bugs.launchpad.net/bugs/1895839
 https://gitlab.gnome.org/GNOME/libxml2/-/issues/178
Priority: low
Discovered-by:
Assigned-to: avital
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L [6.5 MEDIUM]


Patches_libxml2:
 upstream: https://gitlab.gnome.org/GNOME/libxml2/-/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2
upstream_libxml2: released (2.9.10+dfsg-6.2)
precise/esm_libxml2: ignored (end of ESM support, was needed)
trusty_libxml2: ignored (out of standard support)
trusty/esm_libxml2: released (2.9.1+dfsg1-3ubuntu4.13+esm2)
xenial_libxml2: ignored (end of standard support, was needed)
esm-infra/xenial_libxml2: released (2.9.3+dfsg1-1ubuntu0.7+esm1)
bionic_libxml2: released (2.9.4+dfsg1-6.1ubuntu1.4)
focal_libxml2: released (2.9.10+dfsg-5ubuntu0.20.04.1)
groovy_libxml2: released (2.9.10+dfsg-5ubuntu0.20.10.2)
hirsute_libxml2: not-affected (2.9.10+dfsg-6.3build2)
impish_libxml2: not-affected (2.9.10+dfsg-6.3build2)
jammy_libxml2: not-affected (2.9.10+dfsg-6.3build2)
devel_libxml2: not-affected (2.9.10+dfsg-6.3build2)