{"id":"CVE-2026-58158","revision":"44dd9c4c07cc4eeeaf8be2b3973aa21f","records":[{"revision":"44dd9c4c07cc4eeeaf8be2b3973aa21f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-58158","aliases":[],"title":"Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow","description":"Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.","state":0,"publishedAt":"2026-07-29T08:26:32.138+00:00","modifiedAt":"2026-10-01T16:59:46.758+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache Traffic Server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache Traffic Server\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.0.0\",\n                            \"lessThanOrEqual\": \"8.1.11\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.0.0\",\n                            \"lessThanOrEqual\": \"9.2.14\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"10.0.0\",\n                            \"lessThanOrEqual\": \"10.1.3\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"}],"references":["https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58158","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-58158","identifiers":["CVE-2026-58158"]},"retained":false,"historicalAffected":[]}],"coverage":[]}