{"id":"CVE-2018-20541","aliases":["DEBIAN-CVE-2018-20541","EUVD-2018-13095","GHSA-wm4w-r8pr-jvfx"],"status":"published","title":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader...","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01918,"percentile":0.80175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2018-12-28T03:00:00Z","modified":"2026-10-23T18:03:05Z","fixes":[{"ecosystem":"Debian:12","package":"libxsmm","fixed_in":["1.17-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libxsmm","fixed_in":["1.17-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libxsmm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libxsmm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17-1"}]}]}],"products":[{"vendor":"libxsmm_project","product":"libxsmm"}],"references":[{"url":"https://github.com/hfp/libxsmm/issues/287","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1652632","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/hfp/libxsmm/commit/151481489192e6d1997f8bde52c5c425ea41741d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20541"},{"url":"https://github.com/advisories/GHSA-wm4w-r8pr-jvfx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20541","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2018-20541","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2018-12-28T03:00:00Z","modified":"2024-08-05T12:05:17.206Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-13095","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2018-12-28T03:00:00Z","modified":"2024-08-05T12:05:17Z","updated_at":"2026-11-03T02:39:30.323824Z"}],"ghsa":[{"id":"GHSA-wm4w-r8pr-jvfx","title":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader...","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2022-05-13T01:19:54Z","modified":"2023-02-01T05:05:54Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:17.420383Z"}],"nvd":[{"id":"CVE-2018-20541","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2018-12-28T16:29:04.643Z","modified":"2026-06-17T01:53:02.763Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:52.056758Z"}],"osv":[{"id":"CVE-2018-20541","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2018-12-28T16:29:04.643Z","modified":"2026-04-11T14:11:03.184313Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-20541","description":"There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different vulnerability than CVE-2018-20542 (which is in a different part of the source code and is seen at different addresses).","status":"published","published":"2018-12-28T16:29:04.643Z","modified":"2026-10-23T18:03:05.014995397Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.57382Z"}]}}