{"id":"CVE-2026-22780","summary":"Rizin has a heap overflow on mach0_chained_fixups.c","details":"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.","aliases":["GHSA-f3v7-xhmj-9cjj"],"modified":"2026-08-12T15:32:51.963930Z","published":"2026-02-02T20:52:23.859Z","related":["openSUSE-SU-2026:10141-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22780.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-770"]},"references":[{"type":"WEB","url":"https://github.com/rizinorg/rizin/blob/6dd0dba9ff4dc706f549d0cdcd93856b49e59aa0/librz/bin/format/mach0/mach0_chained_fixups.c#L200"},{"type":"WEB","url":"https://github.com/rizinorg/rizin/releases/tag/v0.8.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22780.json"},{"type":"ADVISORY","url":"https://github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22780"},{"type":"REPORT","url":"https://github.com/rizinorg/rizin/issues/5768"},{"type":"FIX","url":"https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989"},{"type":"FIX","url":"https://github.com/rizinorg/rizin/pull/5770"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rizinorg/rizin","events":[{"introduced":"0"},{"fixed":"5a611eee2999d312317ff90d600e37dde0f58992"},{"fixed":"41ea75d5b07d9b41b27ae80675cdda65f1b1c989"}],"database_specific":{"cpe":"cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.8.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.8.1","v0.8.0","v0.7.4","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.3","v0.6.2","v0.6.1","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.1","v0.4.0","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.1","v0.2.0","v0.1.2","v0.1.1","v0.1.0","0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22780.json","vanir_signatures_modified":"2026-08-12T15:32:51Z","vanir_signatures":[{"digest":{"line_hashes":["127417068885150346941144592067211720198","83376431877593269289884463554919647399","164863739243027732308007354381640815276","170432141134756002464069466926881988139"],"threshold":0.9},"id":"CVE-2026-22780-f2e31720","signature_type":"Line","signature_version":"v1","source":"https://github.com/rizinorg/rizin/commit/41ea75d5b07d9b41b27ae80675cdda65f1b1c989","target":{"file":"librz/bin/format/mach0/mach0_chained_fixups.c"},"deprecated":false}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L"}]}