{"id":"CVE-2018-20542","aliases":["DEBIAN-CVE-2018-20542","EUVD-2018-13096","GHSA-2w48-ph92-rq3j"],"status":"published","title":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function...","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","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":0.01913,"percentile":0.80122,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2018-12-28T03:00:00Z","modified":"2026-10-23T18:03:56Z","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://bugzilla.redhat.com/show_bug.cgi?id=1652633","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/hfp/libxsmm/issues/287","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/hfp/libxsmm/commit/151481489192e6d1997f8bde52c5c425ea41741d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1652635","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20542"},{"url":"https://github.com/advisories/GHSA-2w48-ph92-rq3j"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20542","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2018-20542","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","status":"published","published":"2018-12-28T03:00:00Z","modified":"2024-08-05T12:05:17.366Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13096","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","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-2w48-ph92-rq3j","title":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function...","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","status":"published","published":"2022-05-14T01:41:35Z","modified":"2023-02-02T05:04:20Z","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-119"],"updated_at":"2026-11-02T14:51:50.619018Z"}],"nvd":[{"id":"CVE-2018-20542","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","status":"published","published":"2018-12-28T16:29:04.723Z","modified":"2026-06-17T01:53:02.927Z","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-119"],"updated_at":"2026-11-02T14:04:52.056758Z"}],"osv":[{"id":"CVE-2018-20542","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","status":"published","published":"2018-12-28T16:29:04.723Z","modified":"2026-04-11T14:11:02.935353Z","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-2018-20542","description":"There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different vulnerability than CVE-2018-20541 (which is in a different part of the source code and is seen at a different address).","status":"published","published":"2018-12-28T16:29:04.723Z","modified":"2026-10-23T18:03:56.747113599Z","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"}]}}