{"id":"CVE-2023-36660","title":"The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.","summary":"The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"nettle_project","product":"nettle","affected":["nettle = 3.9"],"published":"2023-06-25","updated":"2026-10-15","sourceUpdated":"2026-10-15T00:16:34.270","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-36660","references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1212112","label":"cve@mitre.org"},{"url":"https://git.lysator.liu.se/nettle/nettle/-/commit/867a4548b95705291a3afdd66d76e7f17ba2618f","label":"cve@mitre.org"},{"url":"https://git.lysator.liu.se/nettle/nettle/-/compare/nettle_3.9_release_20230514...nettle_3.9.1_release_20230601","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/202401-24","label":"cve@mitre.org"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1212112","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.lysator.liu.se/nettle/nettle/-/commit/867a4548b95705291a3afdd66d76e7f17ba2618f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.lysator.liu.se/nettle/nettle/-/compare/nettle_3.9_release_20230514...nettle_3.9.1_release_20230601","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202401-24","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.01023,"epssPercentile":0.63332,"ingestedAt":"2026-10-15T01:08:04.202Z","slug":"CVE-2023-36660","body":"## Overview\n\nThe OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.\n\n## Affected\n\n- `nettle = 3.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}