{"id":"CVE-2025-61581","title":"** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control.\n\nThis issue affects Apache Traffic Control: all versions.\n\nPeople with access to the management interface of the Traffic R…","summary":"** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control.\n\nThis issue affects Apache Traffic Control: all versions.\n\nPeople with access to the management interface of the Traffic R…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-1333"],"vendor":"apache","product":"traffic_control","affected":["traffic_control <= 8.0.2"],"published":"2025-10-16","updated":"2026-10-09","sourceUpdated":"2026-10-09T10:10:00.193","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-61581","references":[{"url":"https://lists.apache.org/thread/mx2jxgnlop2f4vbqnvmrldh4pqmobxvp","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2025/10/16/3","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00736,"epssPercentile":0.53077,"ingestedAt":"2026-10-09T12:53:28.941Z","slug":"CVE-2025-61581","body":"## Overview\n\n** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control.\n\nThis issue affects Apache Traffic Control: all versions.\n\nPeople with access to the management interface of the Traffic Router component could specify malicious patterns and cause unavailability.\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.\n\nNOTE: This vulnerability only affects products that are no longer supported by the maintainer.\n\n## Affected\n\n- `traffic_control <= 8.0.2`\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":0.1,"exploitation":0,"ransomware":0},"changes":[]}