{"id":"CVE-2026-14761","summary":"radareorg radare2 str.c r_str_append integer overflow","details":"A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue.","modified":"2026-08-12T15:31:24.732053Z","published":"2026-07-05T15:45:08.421Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-189","CWE-190"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14761.json","unresolved_ranges":[{"extracted_events":[{"introduced":"6.1.1"},{"last_affected":"6.1.1"},{"introduced":"6.1.3"},{"last_affected":"6.1.3"},{"introduced":"6.1.5"},{"last_affected":"6.1.5"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://github.com/radareorg/radare2/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14761.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14761"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-14761"},{"type":"ADVISORY","url":"https://vuldb.com/submit/850385"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/376350"},{"type":"REPORT","url":"https://github.com/radareorg/radare2/issues/26045"},{"type":"REPORT","url":"https://vuldb.com/vuln/376350/cti"},{"type":"FIX","url":"https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/radareorg/radare2","events":[{"introduced":"0"},{"fixed":"d904d02e1157b45135c6e61651d890bac8abe873"},{"fixed":"a20a56917ae85d732e683f8d9078bdcfee92446c"}],"database_specific":{"cpe":"cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"6.1.8"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["6.1.0","6.1.2","6.1.4","6.1.6","6.0.8","6.0.7","6.0.6","6.0.4","6.0.2","6.0.0","5.9.8","5.9.6","5.9.4","5.9.2","5.9.0","5.8.8","5.8.6","5.8.4","5.8.2","5.8.0","5.7.8","5.7.6","5.7.4","5.7.2","5.7.0","wip","5.6.8","5.6.6","5.6.4","5.6.2","5.6.0","5.5.4","5.5.2","5.5.0","5.4.2","5.4.0","5.4.0-git","5.3.1","5.3.0","5.2.1","5.2.0","5.1.1","5.1.0","release-5.0.0","5.0.0","4.5.1","4.4.0","4.3.1","Continuous-Windows","4.3.0","continuous","4.2.1","4.2.0","4.1.1","4.1.0","4.0.0","3.9.0","3.8.0","3.7.1","3.7.0","3.6.0","3.5.1","3.5.0","3.4.1","3.4.0","3.3.0","3.2.1","3.2.0","3.1.3","3.1.2","3.1.1","3.1.0","3.0.1","3.0.0","2.9.0","2.8.0","2.7.0","2.6.9","2.6.0","2.5.0","2.4.0","2.2.0","2.1.0","2.0.1","2.0.0","1.6.0","1.5.0","1.4.0","1.3.0","1.3.0-git","1.2.0","1.2.0-git","1.1.0","1.0.2","1.0.1","1.0.0","1.0","0.10.6","0.10.5","0.10.4-termux4","termux","0.10.4","0.10.3","0.10.2","0.10.1","0.10.0","radare2-windows-nightly","0.9.9","0.9.8","0.9.8-rc4","0.9.8-rc3","0.9.8-rc2","0.9.8-rc1","0.9.7","0.9.6","0.9.4","0.9.2","0.9","0.8.8","0.8.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14761.json","vanir_signatures_modified":"2026-08-12T15:31:24Z","vanir_signatures":[{"target":{"file":"libr/util/str.c"},"deprecated":false,"digest":{"line_hashes":["83267129658771996511464562335096082716","241822597207471786792212588954626399475","188753088561964228551646322911223463184","200107205165832838474680850641555393264","77843117932994158311064642361532566666","24442357018642959826589270420645751333","272192480930662952569573198582025058178","27234345306614854127433496516803033098","34027000556418310806260242574699960370","46410773682254287632926908457216308355","50330040394937625363293353863246068789","112327192430601755677581992868374694623","217677643489608047461582233433410093854","172828471460449944218965475576994012394","238359131822040197843752068351741652530","158372722204680578267775904819607925417","67361613134459698520001492174475092741","115372017708919945718089955884964196701"],"threshold":0.9},"id":"CVE-2026-14761-d016f1a5","signature_type":"Line","signature_version":"v1","source":"https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c"},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c","target":{"file":"libr/util/str.c","function":"r_str_prepend"},"deprecated":false,"digest":{"function_hash":"317714838742478195599192694540558016564","length":352},"id":"CVE-2026-14761-f635a260"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}]}