{"id":"CVE-2023-29939","aliases":["BELL-CVE-2023-29939","DEBIAN-CVE-2023-29939","EUVD-2023-33469","GHSA-h387-m3xh-7q5j","UBUNTU-CVE-2023-29939","USN-6258-1"],"status":"published","title":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component...","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00218,"percentile":0.12359,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2023-05-05T00:00:00Z","modified":"2026-10-26T18:00:51Z","fixes":[{"ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-13","fixed_in":["1:13.0.1-2ubuntu2.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-14","fixed_in":["1:14.0.0-1ubuntu1.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-15","fixed_in":["1:15.0.7-0ubuntu0.22.04.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"llvm-toolchain-13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:13.0.1-11","1:13.0.1-12","1:13.0.1-13"]},{"source":"osv","ecosystem":"Debian:12","package":"llvm-toolchain-14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:14.0.6-12","1:14.0.6-12+powerpc","1:14.0.6-13","1:14.0.6-14","1:14.0.6-16","1:14.0.6-16.1","1:14.0.6-16.1~exp1","1:14.0.6-17","1:14.0.6-18","1:14.0.6-19","1:14.0.6-20"]},{"source":"osv","ecosystem":"Debian:12","package":"llvm-toolchain-15","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:15.0.6-4","1:15.0.6-5~exp1","1:15.0.6-5~exp2","1:15.0.6-5~exp3","1:15.0.7-1","1:15.0.7-1+hurd.1","1:15.0.7-10","1:15.0.7-10.1~exp1","1:15.0.7-11","1:15.0.7-11.1","1:15.0.7-12","1:15.0.7-13","1:15.0.7-14","1:15.0.7-15","1:15.0.7-15+hurd.1","1:15.0.7-2","1:15.0.7-3","1:15.0.7-4","1:15.0.7-5","1:15.0.7-5~exp1","1:15.0.7-6","1:15.0.7-7","1:15.0.7-8","1:15.0.7-9"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:13.0.1-2ubuntu2.2"}]}],"versions":["1:13.0.0-2","1:13.0.0-9","1:13.0.1-2ubuntu1","1:13.0.1-2ubuntu2","1:13.0.1-2ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:14.0.0-1ubuntu1.1"}]}],"versions":["1:14.0.0~+rc1-1","1:14.0.0~+rc1-1ubuntu4","1:14.0.0~+rc4-1ubuntu1","1:14.0.0-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-15","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:15.0.7-0ubuntu0.22.04.3"}]}],"versions":["1:15.0.6-3~ubuntu0.22.04.2","1:15.0.7-0ubuntu0.22.04.1","1:15.0.7-0ubuntu0.22.04.2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-13","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:13.0.1-2ubuntu2.2"}]}],"versions":["1:13.0.0-2","1:13.0.0-9","1:13.0.1-2ubuntu1","1:13.0.1-2ubuntu2","1:13.0.1-2ubuntu2.1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:14.0.0-1ubuntu1.1"}]}],"versions":["1:14.0.0~+rc1-1","1:14.0.0~+rc1-1ubuntu4","1:14.0.0~+rc4-1ubuntu1","1:14.0.0-1ubuntu1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"llvm-toolchain-15","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:15.0.7-0ubuntu0.22.04.3"}]}],"versions":["1:15.0.6-3~ubuntu0.22.04.2","1:15.0.7-0ubuntu0.22.04.1","1:15.0.7-0ubuntu0.22.04.2"],"bundled":4}],"products":[{"vendor":"llvm","product":"llvm"}],"references":[{"url":"https://github.com/llvm/llvm-project/issues/59983","tags":["x_transferred","exploit","Issue Tracking","Patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29939"},{"url":"https://github.com/advisories/GHSA-h387-m3xh-7q5j"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2023-29939","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-29939","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-29939","tags":["report"]},{"url":"https://github.com/llvm/llvm-project/commit/466aa585c6dfb096bf9a7ad9bcbc6ce8cc7abff1","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6258-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-29939","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-29932","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-29933","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-29934","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-29939","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T00:00:00Z","modified":"2025-01-29T20:27:59.43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:28.643185Z"}],"euvd":[{"id":"EUVD-2023-33469","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T00:00:00Z","modified":"2025-01-29T20:27:59Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:09.506854Z"}],"ghsa":[{"id":"GHSA-h387-m3xh-7q5j","title":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component...","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T15:30:59Z","modified":"2024-04-04T03:49:44Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:56:18.466724Z"}],"nvd":[{"id":"CVE-2023-29939","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T15:15:09.85Z","modified":"2026-06-17T05:51:06.17Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:01.131774Z"}],"osv":[{"id":"BELL-CVE-2023-29939","title":"CVE-2023-29939 does not affect BellSoft software","status":"withdrawn","published":"2023-10-18T13:48:21.817562Z","modified":"2026-01-26T09:46:56.960478Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:17.742221Z"},{"id":"CVE-2023-29939","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T15:15:09.85Z","modified":"2026-03-14T12:06:19.815641Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:31.468318Z"},{"id":"DEBIAN-CVE-2023-29939","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T15:15:09.85Z","modified":"2026-10-26T18:00:51.320636321Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"UBUNTU-CVE-2023-29939","description":"llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr).","status":"published","published":"2023-05-05T15:15:00Z","modified":"2026-04-22T14:05:36.411842Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:20.997471Z"},{"id":"USN-6258-1","title":"llvm-toolchain-13, llvm-toolchain-14, llvm-toolchain-15 vulnerabilities","description":"It was discovered that LLVM Toolchain did not properly manage memory under\ncertain circumstances. If a user were tricked into opening a specially\ncrafted MLIR file, an attacker could possibly use this issue to cause LLVM\nToolchain to crash, resulting in a denial of service. (CVE-2023-29932,\nCVE-2023-29934, CVE-2023-29939)\n\nIt was discovered that LLVM Toolchain did not properly manage memory under \ncertain circumstances. If a user were tricked into opening a specially     \ncrafted MLIR file, an attacker could possibly use this issue to cause LLVM \nToolchain to crash, resulting in a denial of service. This issue only\naffected llvm-toolchain-15. (CVE-2023-29933)\n","status":"published","published":"2023-07-27T07:48:23Z","modified":"2026-04-22T10:37:40.60772Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}