{"id":"CVE-2021-28904","details":"In function ext_get_plugin() in libyang \u003c= 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.","modified":"2026-04-09T07:41:15.191496Z","published":"2021-05-20T19:15:07.673Z","related":["SUSE-SU-2022:3245-1"],"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-54"},{"type":"REPORT","url":"https://github.com/CESNET/libyang/issues/1451"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesnet/libyang","events":[{"introduced":"0"},{"last_affected":"8e9f87949974c7b2c6dc5e830c0e78e4160fbc50"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.0.225"}]}}],"versions":["v0.11-r1","v0.11-r2","v0.12-r1","v0.12-r2","v0.13-r2","v0.14-r1","v0.15-r1","v0.16-r1","v0.16-r2","v1.0-r1","v1.0-r2","v1.0-r3","v1.0-r4","v1.0-r5","v1.0.109","v1.0.130","v1.0.167","v1.0.225"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-28904.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}