{"id":"CVE-2022-41916","state":"PUBLISHED","title":"Read one byte past a buffer when normalizing Unicode","description":"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.","publishedAt":"2022-11-15T00:00:00.000Z","updatedAt":"2025-04-23T16:37:26.786Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["heimdal heimdal"],"affected":[{"vendor":"heimdal","product":"heimdal","versions":[{"version":"< 7.7.1","status":"affected"}]}],"references":["https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx","https://www.debian.org/security/2022/dsa-5287","https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html","https://security.netapp.com/advisory/ntap-20230216-0008/","https://security.gentoo.org/glsa/202310-06"],"weaknesses":["CWE-193"],"ingestedAt":"2026-10-29T19:50:37.819Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/41xxx/CVE-2022-41916.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-41916","state":"PUBLISHED","datePublished":"2022-11-15T00:00:00.000Z","dateUpdated":"2025-04-23T16:37:26.786Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2022-09-30T00:00:00.000Z"},"containers":{"cna":{"title":"Read one byte past a buffer when normalizing Unicode","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"heimdal","product":"heimdal","versions":[{"version":"< 7.7.1","status":"affected"}]}],"references":[{"url":"https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx"},{"url":"https://www.debian.org/security/2022/dsa-5287","name":"DSA-5287","tags":["vendor-advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html","name":"[debian-lts-announce] 20221126 [SECURITY] [DLA 3206-1] heimdal security update","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20230216-0008/"},{"url":"https://security.gentoo.org/glsa/202310-06","name":"GLSA-202310-06","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-193","type":"CWE","lang":"en","description":"CWE-193: Off-by-one Error"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-10-08T08:06:36.676Z"},"source":{"advisory":"GHSA-mgqr-gvh6-23cx","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2022/dsa-5287","name":"DSA-5287","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html","name":"[debian-lts-announce] 20221126 [SECURITY] [DLA 3206-1] heimdal security update","tags":["mailing-list","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230216-0008/","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202310-06","name":"GLSA-202310-06","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T12:56:38.394Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-23T13:54:33.510262Z","id":"CVE-2022-41916","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-23T16:37:26.786Z"}}]}}}