{"id":"CVE-2021-36979","details":"Unicorn Engine 1.0.2 has an out-of-bounds write in tb_flush_armeb (called from cpu_arm_exec_armeb and tcg_cpu_exec_armeb).","modified":"2026-07-09T05:44:40.484683Z","published":"2021-07-20T07:15:08.073Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"35"},{"last_affected":"35"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZ6LOCJXHQVU6SCJLFDJINBOVJYYENLX/"},{"type":"ADVISORY","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/unicorn/OSV-2020-2305.yaml"},{"type":"FIX","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30391"},{"type":"FIX","url":"https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/unicorn-engine/unicorn","events":[{"introduced":"886acbf59910499e44194dadda9c069ef7d3b291"},{"last_affected":"886acbf59910499e44194dadda9c069ef7d3b291"},{"fixed":"bf1713d9e011b55ca1f502a6779fc4722b4bb077"}],"database_specific":{"cpe":"cpe:2.3:a:unicorn-engine:unicorn_engine:1.0.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0.2"},{"last_affected":"1.0.2"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["1.0.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-36979.json","vanir_signatures_modified":"2026-07-09T05:44:40Z","vanir_signatures":[{"target":{"file":"samples/sample_arm.c"},"deprecated":false,"digest":{"line_hashes":["29125629567228280845140471101621129196","326149495123353803551333075876328688662","312352500872474134834109017042425829243","53633335620687464050445218007445285387","259542698321032343838803463830152471925","219128090369457490179549682296348812565","243190090378694493129924528553989170803","134133894344926590101119294386381360310"],"threshold":0.9},"id":"CVE-2021-36979-1e612893","signature_type":"Line","signature_version":"v1","source":"https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077"},{"deprecated":false,"digest":{"length":551,"function_hash":"22746299379468341957275669331702579504"},"id":"CVE-2021-36979-92f79a56","signature_type":"Function","signature_version":"v1","source":"https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077","target":{"file":"samples/sample_arm.c","function":"main"}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}