{"id":"CVE-2026-94055","title":"Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.","summary":"Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-416"],"vendor":"Exim","product":"Exim","affected":["Exim >= 4.98 < 4.100.1"],"published":"2026-09-19","updated":"2026-09-22","sourceUpdated":"2026-09-22T19:56:19.073","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94055","references":[{"url":"https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94055.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-94055"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2538399"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94055"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94055"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00313,"epssPercentile":0.24433,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-21T15:18:50.531821Z"},"ingestedAt":"2026-09-19T23:10:34.243Z","slug":"CVE-2026-94055","body":"## Overview\n\nExim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-09-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94055.json)","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}