{"id":"CVE-2026-14761","aliases":["EUVD-2026-41771","GHSA-q4m4-82h9-qfgv","UBUNTU-CVE-2026-14761","openSUSE-SU-2026:21988-1"],"status":"published","title":"radareorg radare2 str.c r_str_append integer overflow","description":"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.","severity":{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00189,"percentile":0.0864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189","CWE-190"],"published":"2026-07-05T15:45:08Z","modified":"2026-10-28T10:50:20Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.6-3.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0+dfsg-1","2.0.0+dfsg-1","2.1.0+dfsg-1","2.3.0+dfsg-1","2.3.0+dfsg-2","2.3.0+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1+dfsg-5build1","4.0.0+dfsg-1","4.2.1+dfsg-1","4.2.1+dfsg-2","4.2.1+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0+dfsg-1ubuntu1","5.5.0+dfsg-1.1ubuntu2","5.5.0+dfsg-1.1ubuntu3","5.5.0+dfsg-1.1ubuntu3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","5.9.8+dfsg-2ubuntu0.25.10.1","5.9.8+dfsg-2ubuntu0.25.10.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.7+ds-1","6.1.6+ds-2","6.1.6+ds-3","6.1.8+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","6.0.4+dfsg-1","6.0.7+ds-1"]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.2-bp160.1.1"}]}],"bundled":20}],"products":[{"vendor":"radare","product":"radare2"},{"vendor":"radare2","product":"radare2"},{"vendor":"radareorg","product":"radare2"}],"references":[{"url":"https://vuldb.com/vuln/376350","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/vuln/376350/cti","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/cve/CVE-2026-14761","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/submit/850385","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/radareorg/radare2/issues/26045","tags":["exploit","issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c","tags":["patch","Patch","fix","report"]},{"url":"https://github.com/radareorg/radare2/","tags":["product","Product","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14761","tags":["advisory"]},{"url":"https://github.com/radareorg/radare2"},{"url":"https://github.com/advisories/GHSA-q4m4-82h9-qfgv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14761.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-14761","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-14761","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1259722","tags":["report"]},{"url":"https://bugzilla.suse.com/1262190","tags":["report"]},{"url":"https://bugzilla.suse.com/1262336","tags":["report"]},{"url":"https://bugzilla.suse.com/1262680","tags":["report"]},{"url":"https://bugzilla.suse.com/1265403","tags":["report"]},{"url":"https://bugzilla.suse.com/1270445","tags":["report"]},{"url":"https://bugzilla.suse.com/1270447","tags":["report"]},{"url":"https://bugzilla.suse.com/1270449","tags":["report"]},{"url":"https://bugzilla.suse.com/1270450","tags":["report"]},{"url":"https://bugzilla.suse.com/1270452","tags":["report"]},{"url":"https://bugzilla.suse.com/1270453","tags":["report"]},{"url":"https://bugzilla.suse.com/1282338","tags":["report"]},{"url":"https://bugzilla.suse.com/1282339","tags":["report"]},{"url":"https://bugzilla.suse.com/1282340","tags":["report"]},{"url":"https://bugzilla.suse.com/1282341","tags":["report"]},{"url":"https://bugzilla.suse.com/1282342","tags":["report"]},{"url":"https://bugzilla.suse.com/1282343","tags":["report"]},{"url":"https://bugzilla.suse.com/1282344","tags":["report"]},{"url":"https://bugzilla.suse.com/1282345","tags":["report"]},{"url":"https://bugzilla.suse.com/1282346","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14757","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14758","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14759","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14760","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14761","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-14788","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40517","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-41015","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-4174","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81878","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81879","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81880","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81881","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81882","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81883","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81884","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81885","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-81886","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-8695","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-14761","title":"radareorg radare2 str.c r_str_append integer overflow","description":"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.","status":"published","published":"2026-07-05T15:45:08.421Z","modified":"2026-07-06T18:46:20.994Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"low","assessor":"cna"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-190","CWE-189"],"updated_at":"2026-11-02T13:38:43.260938Z"}],"euvd":[{"id":"EUVD-2026-41771","description":"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.","status":"published","published":"2026-07-05T15:45:08Z","modified":"2026-07-06T18:46:20Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T18:20:12.791563Z"}],"ghsa":[{"id":"GHSA-q4m4-82h9-qfgv","title":"A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element...","description":"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.","status":"published","published":"2026-07-05T18:30:51Z","modified":"2026-07-05T18:30:56Z","cvss":[{"version":"4.0","score":1.9,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:09:16.809117Z"}],"nvd":[{"id":"CVE-2026-14761","description":"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.","status":"published","published":"2026-07-05T16:19:44.893Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"4.0","score":1.9,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-189","CWE-190"],"updated_at":"2026-11-02T14:12:27.541515Z"}],"osv":[{"id":"CVE-2026-14761","title":"radareorg radare2 str.c r_str_append integer overflow","description":"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.","status":"published","published":"2026-07-05T15:45:08.421Z","modified":"2026-10-28T10:50:20.056963981Z","cvss":[{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"cwes":["CWE-189","CWE-190"],"updated_at":"2026-11-02T15:44:57.682091Z"},{"id":"UBUNTU-CVE-2026-14761","description":"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.","status":"published","published":"2026-07-05T16:19:00Z","modified":"2026-10-17T12:58:05.54278459Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"updated_at":"2026-11-02T16:56:00.592716Z"},{"id":"openSUSE-SU-2026:21988-1","title":"Security update for radare2","description":"This update for radare2 fixes the following issues:\n\nChanges in radare2:\n\n- Update to version 6.2.2:\n  * Analysis: new JNI plugin with typed interface tables, arm64\n    Swift float calling conventions, DWARF prototype linking,\n    jump-table and switch-case fixes\n  * Core: fix RAnalOp leaks in disasm/diff/debug loops, aoj memory\n    use, partial-read handling, fp variable recovery\n  * Bundle sdb 2.5.2 (upstream pin): rename shlib to libsdb2_5_2\n  * Details can be found here:\n    https://github.com/radareorg/radare2/releases/tag/6.2.2\n\n- Security issues fixed:\n  * CVE-2026-81886: Validate dmp64 page counts against dump size\n    (boo#1282346).\n  * CVE-2026-81885: Fix infinite loop in the NE fixup parser\n    (boo#1282345).\n  * CVE-2026-81884: Validate Mach-O LC_DATA_IN_CODE ranges\n    (boo#1282344).\n  * CVE-2026-81883: Fix Lua function parser OOB reads (boo#1282343).\n  * CVE-2026-81882: Fix bplist Unicode string conversion (boo#1282342).\n  * CVE-2026-81881: Fix Swift Mach-O field metadata bounds check\n    (boo#1282341).\n  * CVE-2026-81880: Decode PEF relocs lazily, add more bounds and\n    overflow checks (boo#1282340).\n  * CVE-2026-81879: Fix oobread in ELF PN_XNUM phdr count handling\n    (boo#1282339).\n  * CVE-2026-81878: Fix heap write overflow in Python loader\n    (boo#1282338).\n  * CVE-2026-14788: Denial of Service via use-after-free in\n    r_core_bin_load function (boo#1270453).\n  * CVE-2026-14761: Denial of service via integer overflow in string\n    manipulation functions (boo#1270452).\n  * CVE-2026-14760: Denial of Service via local use-after-free\n    vulnerability (boo#1270450).\n  * CVE-2026-14759: Denial of Service via heap-based buffer overflow\n    (boo#1270449).\n  * CVE-2026-14758: Denial of Service via integer overflow in hexpairs\n    parser (boo#1270447).\n  * CVE-2026-14757: Integer overflow allows local impact (boo#1270445).\n  * CVE-2026-40527: Command injection vulnerability in the afsv/afsvj\n    (boo#1262336).\n  * CVE-2026-4174: Missing validation against an upper limit when\n    allocating memory in the Mach-O file parser can lead to excessive\n    resource consumption (boo#1259722).\n- Security issue fixed with the previous release:\n  * CVE-2026-41015: Configured on UNIX without SSL, allows command\n    injection via a PDB name to rabin2 (boo#1262190).\n  * CVE-2026-40517: Crafted PDB file with newline characters in symbol\n    names can allow to inject arbitrary commands (boo#1262680).\n  * CVE-2026-8695: UAFs in the gdb remote protocol ##crash (boo#1265403).\n","status":"published","published":"2026-09-25T08:25:52Z","modified":"2026-10-01T18:23:10.943305024Z","updated_at":"2026-11-02T16:58:42.426393Z"}]}}