{"id":"CVE-2021-32494","details":"Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can cause denial of service.\n\n\n","modified":"2026-04-10T09:34:19.769703Z","published":"2023-07-07T19:15:09.507Z","references":[{"type":"FIX","url":"https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62"},{"type":"FIX","url":"https://github.com/radareorg/radare2/issues/18667"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/radare/radare2","events":[{"introduced":"0"},{"last_affected":"ee753c25094c6e1c62dfb9596423824251dbc943"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"5.3.0"}]}},{"type":"GIT","repo":"https://github.com/radareorg/radare2","events":[{"introduced":"0"},{"fixed":"a07dedb804a82bc01c07072861942dd80c6b6d62"}]}],"versions":["0.10.0","0.10.1","0.10.2","0.10.3","0.10.4","0.10.4-termux4","0.10.5","0.10.6","0.8.6","0.8.8","0.9","0.9.2","0.9.4","0.9.6","0.9.7","0.9.8","0.9.8-rc1","0.9.8-rc2","0.9.8-rc3","0.9.8-rc4","0.9.9","1.0","1.0.0","1.0.1","1.0.2","1.1.0","1.2.0","1.2.0-git","1.3.0","1.3.0-git","1.4.0","1.5.0","1.6.0","2.0.0","2.0.1","2.1.0","2.2.0","2.4.0","2.5.0","2.6.0","2.6.9","2.7.0","2.8.0","2.9.0","3.0.0","3.0.1","3.1.0","3.1.1","3.1.2","3.1.3","3.2.0","3.2.1","3.3.0","3.4.0","3.4.1","3.5.0","3.5.1","3.6.0","3.7.0","3.7.1","3.8.0","3.9.0","4.0.0","4.1.0","4.1.1","4.2.0","4.2.1","4.3.0","4.3.1","4.4.0","4.5.1","5.0.0","5.1.0","5.1.1","5.2.0","5.2.1","5.3.0","Continuous-Windows","continuous","radare2-windows-nightly","release-5.0.0","termux"],"database_specific":{"vanir_signatures":[{"deprecated":false,"source":"https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62","signature_version":"v1","digest":{"line_hashes":["211921345178114093370428947692498009900","154239016323387656120110791473062974521","197634429748365036978182416865077052005","211074051710044500989675597504644777329","217178479459434555199088203652955891060"],"threshold":0.9},"signature_type":"Line","id":"CVE-2021-32494-2834f321","target":{"file":"libr/bin/p/bin_mach0.c"}}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32494.json","vanir_signatures_modified":"2026-04-10T09:34:19Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}