{"id":"CVE-2026-44603","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-44603","generatedAt":"2026-10-28T03:42:34.993Z","title":"Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.","description":"Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.","published":"2026-05-07T04:16:35.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-193"],"affected":["torproject/tor"],"epss":{"score":0.00342,"percentile":0.27581,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://forum.torproject.org/c/news/tor-release-announcement/28","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"https://www.openwall.com/lists/oss-security/2026/05/06/8","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44603","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}