{"id":"CVE-2026-22780","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-22780","generatedAt":"2026-10-28T09:27:07.783Z","title":"Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin.","description":"Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.","published":"2026-02-02T23:16:07.000Z","lastModified":"2026-06-17T10:20:25.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"},"cwe":["CWE-770"],"affected":["rizin/rizin"],"epss":{"score":0.00207,"percentile":0.10668,"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":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/rizinorg/rizin/issues/5768","tags":["Issue Tracking"],"source":"security-advisories@github.com"},{"url":"https://github.com/rizinorg/rizin/pull/5770","tags":["Issue Tracking"],"source":"security-advisories@github.com"},{"url":"https://github.com/rizinorg/rizin/releases/tag/v0.8.2","tags":["Product","Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj","tags":["Patch","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-22780","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."}