{"id":"CVE-2026-94056","title":"Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory.","summary":"Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L","cwe":["CWE-908"],"vendor":"Exim","product":"Exim","affected":["Exim >= 4.83 < 4.100.1"],"published":"2026-09-19","updated":"2026-09-21","sourceUpdated":"2026-09-21T19:17:19.720","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94056","references":[{"url":"https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-21T18:32:32.475747Z"},"epss":0.00245,"epssPercentile":0.16026,"ingestedAt":"2026-09-19T23:10:34.248Z","slug":"CVE-2026-94056","body":"## Overview\n\nExim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}