Candidate: CVE-2019-20392
PublicDate: 2020-01-22 22:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20392
 https://bugzilla.redhat.com/show_bug.cgi?id=1793922
 https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5
 https://github.com/CESNET/libyang/issues/723
 https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1
Description:
 An invalid memory access flaw is present in libyang before v1.0-r1 in the
 function resolve_feature_value() when an if-feature statement is used
 inside a list key node, and the feature used is not defined. Applications
 that use libyang to parse untrusted input yang files may crash.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [6.5 MEDIUM]


Patches_libyang:
 upstream: https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5
upstream_libyang: released (1.0.167-1)
precise/esm_libyang: DNE
trusty_libyang: ignored (out of standard support)
trusty/esm_libyang: DNE
xenial_libyang: DNE
bionic_libyang: DNE
eoan_libyang: ignored (reached end-of-life)
focal_libyang: needed
groovy_libyang: ignored (reached end-of-life)
hirsute_libyang: ignored (reached end-of-life)
impish_libyang: not-affected (1.0.167-1)
jammy_libyang: not-affected (1.0.167-1)
devel_libyang: not-affected (1.0.167-1)