{"id":"CVE-2022-41916","summary":"Read one byte past a buffer when normalizing Unicode","details":"Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.","aliases":["GHSA-mgqr-gvh6-23cx"],"modified":"2026-03-11T00:20:43.459687Z","published":"2022-11-15T00:00:00Z","related":["MGASA-2022-0468","openSUSE-SU-2023:0019-1","openSUSE-SU-2023:0020-1","openSUSE-SU-2024:12580-1"],"database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41916.json","cwe_ids":["CWE-193"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41916.json"},{"type":"ADVISORY","url":"https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41916"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202310-06"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230216-0008/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5287"},{"type":"WEB"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/heimdal/heimdal","events":[{"introduced":"0"},{"fixed":"78077c39e355766221383ee48c8b9be0459a82a4"}]}],"versions":["git2svn-syncpoint-master","heimdal-1.3.0pre1","heimdal-1.3.0pre10","heimdal-1.3.0pre11","heimdal-1.3.0pre3","heimdal-1.3.0pre4","heimdal-1.3.0pre5","heimdal-1.3.0pre6","heimdal-1.3.0pre7","heimdal-1.3.0pre8","heimdal-1.3.0pre9","heimdal-1.3.0rc1","heimdal-1.5pre1","heimdal-1.5pre2","heimdal-7.0.1","heimdal-7.0.2","heimdal-7.0.3","heimdal-7.1.0","heimdal-7.1rc1","heimdal-7.2.0","heimdal-7.3.0","heimdal-7.4.0","heimdal-7.5.0","heimdal-7.6.0","heimdal-7.7.0","switch-from-svn-to-git","upstream-1.4.0+git20101228.dfsg.1","upstream-1.4.0+git20110220.dfsg.1"],"database_specific":{"vanir_signatures":[{"deprecated":false,"target":{"file":"include/bits.c"},"signature_type":"Line","source":"https://github.com/heimdal/heimdal/commit/78077c39e355766221383ee48c8b9be0459a82a4","signature_version":"v1","id":"CVE-2022-41916-7e74d481","digest":{"line_hashes":["185684756605390238103334007784352789624","7131579695216385856922531758292910060","96067565823201056646313325968740529266","307324062224806380958204996069287421659"],"threshold":0.9}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-41916.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}