{"id":"CVE-2022-29694","aliases":["ALPINE-CVE-2022-29694","EUVD-2022-34020","GHSA-3x6m-jc93-26vq"],"status":"published","title":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via...","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01955,"percentile":0.80417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2022-05-27T19:07:46Z","modified":"2026-11-03T07:30:36Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"unicorn","fixed_in":["2.0.1-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"unicorn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-r0"}]}]}],"products":[{"vendor":"unicorn-engine","product":"unicorn_engine"}],"references":[{"url":"https://github.com/unicorn-engine/unicorn/issues/1588","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://violentbinary.github.io/posts/2-simple-analysis-of-software-virtualization-of-memory-in-unicorn-engine/","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","web"]},{"url":"https://github.com/unicorn-engine/unicorn/commit/3d3deac5e6d38602b689c4fef5dac004f07a2e63","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/unicorn-engine/unicorn/pull/1593/commits/6a879a082d4d67a5d13f1233ae0334cde0a7f844","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://github.com/unicorn-engine/unicorn/pull/1593/commits/31389e59457f304be3809f9679f91a42daa7ebaa","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29694","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3x6m-jc93-26vq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2022-29694","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29694.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-29694","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-05-27T19:07:46Z","modified":"2024-08-03T06:33:41.366Z","updated_at":"2026-11-02T14:34:36.270817Z"}],"euvd":[{"id":"EUVD-2022-34020","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-05-27T19:07:46Z","modified":"2024-08-03T06:33:41Z","updated_at":"2026-11-03T03:25:38.110935Z"}],"ghsa":[{"id":"GHSA-3x6m-jc93-26vq","title":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via...","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-06-03T00:01:06Z","modified":"2023-01-27T05:03:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:42:11.230183Z"}],"nvd":[{"id":"CVE-2022-29694","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-06-02T14:15:50.553Z","modified":"2026-06-17T04:40:37.68Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:21.261605Z"}],"osv":[{"id":"ALPINE-CVE-2022-29694","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-06-02T14:15:50.553Z","modified":"2026-11-03T07:30:36.70466004Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:50:38.973973Z"},{"id":"CVE-2022-29694","description":"Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.","status":"published","published":"2022-05-27T19:07:46Z","modified":"2026-10-28T10:28:15.910124053Z","updated_at":"2026-11-02T15:44:25.164673Z"}]}}