Candidate: CVE-2021-28904
PublicDate: 2021-05-20 19:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28904
 https://github.com/CESNET/libyang/issues/1451
Description:
 In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check
 whether the value of revision is NULL. If revision is NULL, the operation
 of strcmp(revision, ext_plugins[u].revision) will lead to a crash.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: low
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]


Patches_libyang:
 upstream: https://github.com/CESNET/libyang/commit/59a0bff1a5a2f0a0eac07e4bf94d4aea9dd3708d
upstream_libyang: released (1.0.225-1)
precise/esm_libyang: DNE
trusty_libyang: ignored (out of standard support)
trusty/esm_libyang: DNE
xenial_libyang: ignored (out of standard support)
bionic_libyang: DNE
focal_libyang: needed
groovy_libyang: ignored (reached end-of-life)
hirsute_libyang: ignored (reached end-of-life)
impish_libyang: not-affected (1.0.225-1.1)
jammy_libyang: not-affected (1.0.225-1.1)
devel_libyang: not-affected (1.0.225-1.1)