{"id":"CVE-2023-46049","aliases":["BELL-CVE-2023-46049","EUVD-2023-50310","GHSA-vggp-p864-ph99","OESA-2024-1481"],"status":"disputed","title":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted...","description":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00681,"percentile":0.52711,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2024-03-27T00:00:00Z","modified":"2026-08-18T01:18:24Z","fixes":[{"ecosystem":"openEuler:20.03-LTS-SP1","package":"llvm","fixed_in":["10.0.1-3.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"llvm","fixed_in":["10.0.1-4.oe2003sp4"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS","package":"llvm","fixed_in":["12.0.1-7.oe2203sp3"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP1","package":"llvm","fixed_in":["12.0.1-7.oe2203sp1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP2","package":"llvm","fixed_in":["12.0.1-7.oe2203sp2"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP3","package":"llvm","fixed_in":["12.0.1-7.oe2203sp3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.1-3.oe1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.1-4.oe2003sp4"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.1-7.oe2203sp3"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP1","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.1-7.oe2203sp1"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP2","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.1-7.oe2203sp2"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP3","package":"llvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.1-7.oe2203sp3"}]}]}],"references":[{"url":"https://github.com/llvm/llvm-project/issues/67388","tags":["x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2024/Jan/66","tags":["x_transferred"]},{"url":"https://llvm.org/docs/Security.html","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/176820/llvm-LLVM-15-Null-Pointer.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46049","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vggp-p864-ph99"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2023-46049","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1481","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-46049","description":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.","status":"disputed","published":"2024-03-27T00:00:00Z","modified":"2025-11-04T18:18:40.98Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-50310","description":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.","status":"published","published":"2024-03-27T00:00:00Z","modified":"2025-11-04T18:18:40Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:24.543935Z"}],"ghsa":[{"id":"GHSA-vggp-p864-ph99","title":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted...","description":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.","status":"published","published":"2024-03-27T06:30:32Z","modified":"2025-11-04T21:31:23Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:04:36.536202Z"}],"nvd":[{"id":"CVE-2023-46049","description":"LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.","status":"disputed","published":"2024-03-27T06:15:10.037Z","modified":"2026-06-17T06:29:56.563Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:09:10.192572Z"}],"osv":[{"id":"BELL-CVE-2023-46049","title":"CVE-2023-46049 does not affect BellSoft software","status":"withdrawn","published":"2024-03-28T05:59:19.753824Z","modified":"2026-01-26T09:48:33.092376Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:17.742221Z"},{"id":"OESA-2024-1481","title":"llvm security update","description":"LLVM is a compiler infrastructure designed for compile-time, link-time, runtime, and idle-time optimization of programs from arbitrary programming languages.\r\n\r\nSecurity Fix(es):\r\n\r\nLLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.(CVE-2023-46049)","status":"published","published":"2024-04-19T11:06:55Z","modified":"2026-08-18T01:18:24.312179457Z","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":"2026-11-02T15:52:41.095407Z"}]}}