{"id":"CVE-2020-23911","details":"An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.","modified":"2025-11-14T10:57:15.785679Z","published":"2023-07-18T14:15:11.537Z","references":[{"type":"EVIDENCE","url":"https://github.com/vlm/asn1c/issues/394"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vlm/asn1c","events":[{"introduced":"0"},{"last_affected":"792b22b91282c28f5fd3f0574542fcb6827b72d3"}]}],"versions":["v0.9.26","v0.9.27","v0.9.28"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-23911.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}