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in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T00:00:00Z","modified":"2024-08-05T11:15:59.618Z","updated_at":"2026-11-02T14:35:11.426178Z"}],"euvd":[{"id":"EUVD-2018-10305","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T00:00:00Z","modified":"2024-08-05T11:15:59Z","updated_at":"2026-11-03T02:39:35.790696Z"}],"ghsa":[{"id":"GHSA-wfp6-c53g-9x25","title":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0'...","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2022-05-14T00:54:46Z","modified":"2023-01-30T05:00:30Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:13.0899Z"}],"nvd":[{"id":"CVE-2018-18585","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T02:29:00.513Z","modified":"2026-06-17T01:47:33.02Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:04:46.409324Z"}],"osv":[{"id":"ALPINE-CVE-2018-18585","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T02:29:00.513Z","modified":"2026-11-03T06:31:26.562846432Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T07:18:23.800469Z"},{"id":"CVE-2018-18585","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T02:29:00.513Z","modified":"2026-10-20T13:22:42.826511206Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-18585","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-23T02:29:00.513Z","modified":"2026-10-23T18:04:47.225591599Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"RHSA-2019:2049","title":"Red Hat Security Advisory: libmspack security update","status":"published","published":"2024-09-16T01:56:56Z","modified":"2026-06-26T10:42:46Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"UBUNTU-CVE-2018-18585","description":"chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\\0' as its first or second character (such as the \"/\\0\" name).","status":"published","published":"2018-10-22T00:00:00Z","modified":"2026-04-22T11:49:38.425906Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"},{"id":"DLA-1555-1","title":"libmspack - security update","status":"published","published":"2018-10-26T00:00:00Z","modified":"2026-03-09T01:22:40.810109Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"MGASA-2018-0455","title":"Updated libmspack/cabextract packages fix security vulnerabilities","description":"Hanno Böck discovered that libmspack incorrectly handled certain CHM\nfiles. An attacker could possibly use this issue to cause a denial of\nservice (CVE-2018-14679, CVE-2018-14680).\n\nJakub Wilk discovered that libmspack incorrectly handled certain KWAJ\nfiles. An attacker could possibly use this issue to execute arbitrary\ncode (CVE-2018-14681).\n\nDmitry Glavatskikh discovered that libmspack incorrectly certain CHM\nfiles. An attacker could possibly use this issue to execute arbitrary\ncode (CVE-2018-14682).\n\nIf a CAB file has a Quantum-compressed datablock with exactly 38912\ncompressed bytes, cabextract would write exactly one byte beyond its\ninput buffer (CVE-2018-18584).\n\nlibmspack didn't reject blank CHM filenames that are blank because they\nhave embedded null bytes, not just because they are zero-length\n(CVE-2018-18585).\n\nchmextract didn't protect from absolute/relative pathnames in CHM files\n(CVE-2018-18586).\n","status":"published","published":"2018-11-17T22:23:26Z","modified":"2026-04-16T06:25:07.215441631Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2024:13619-1","title":"libmspack-devel-0.11-2.1 on GA media","description":"These are all security issues fixed in the libmspack-devel-0.11-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:21:14.920643Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"SUSE-SU-2019:0748-1","title":"Security update for libmspack","description":"This update for libmspack fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-18584: The CAB block input buffer was one byte too small for the maximal Quantum block, leading to an out-of-bounds write. (bsc#1113038)\n- CVE-2018-18585: chmd_read_headers accepted a filename that has '\\0' as its first or second character (such as the '/\\0' name). (bsc#1113039)\n- Fix off-by-one bounds check on CHM PMGI/PMGL chunk numbers and reject empty filenames.\n","status":"published","published":"2019-03-26T13:36:00Z","modified":"2026-02-04T03:45:44.430256Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:13992-1","title":"Security update for libmspack","description":"This update for libmspack fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-18584: The CAB block input buffer was one byte too small for the maximal Quantum block, leading to an out-of-bounds write. (bsc#1113038)\n- CVE-2018-18585: chmd_read_headers accepted a filename that has '\\0' as its first or second character (such as the '/\\0' name). (bsc#1113039)\n\n","status":"published","published":"2019-03-27T10:05:22Z","modified":"2026-02-04T04:04:46.591134Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2020:2711-1","title":"Security update for libmspack","description":"This update for libmspack fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-1010305: Fixed a buffer overflow triggered by a crafted chm file\n  which could have led to information disclosure (bsc#1141680).\n- CVE-2018-18584: The CAB block input buffer was one byte too small for the \n  maximal Quantum block, leading to an out-of-bounds write. (bsc#1113038)\n- CVE-2018-18585: chmd_read_headers accepted a filename that has '\\0' as its \n  first or second character (such as the '/\\0' name). (bsc#1113039)\n- Fix off-by-one bounds check on CHM PMGI/PMGL chunk numbers and reject empty filenames.\n","status":"published","published":"2020-09-22T15:07:08Z","modified":"2025-05-02T04:08:03.801047Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"USN-3814-1","title":"libmspack vulnerabilities","description":"It was discovered libmspack incorrectly handled certain malformed CAB files.\nA remote attacker could use this issue to cause libmspack to crash, resulting\nin a denial of service. (CVE-2018-18584, CVE-2018-18585)\n","status":"published","published":"2018-11-12T10:44:43Z","modified":"2026-04-22T09:51:18.351556Z","updated_at":"2026-11-02T16:58:14.019824Z"},{"id":"USN-3814-2","title":"clamav vulnerabilities","description":"Updated: 2018-11-21: The embedded version of libmspack in ClamAV was\nfound to not be affected by the listed vulnerabilities, therefore the\nfollowing is not applicable.\n\nUSN-3814-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04\nlibmspack is included into ClamAV. This update provides the\ncorresponding update for Ubuntu 14.04 LTS.\n\nOriginal advisory details:\n\n It was discovered libmspack incorrectly handled certain malformed CAB files.\n A remote attacker could use this issue to cause libmspack to crash, resulting\n in a denial of service. (CVE-2018-18584, CVE-2018-18585)\n","status":"published","published":"2018-11-13T02:37:50Z","modified":"2026-04-22T09:51:40.512336Z","updated_at":"2026-11-02T16:58:14.019824Z"},{"id":"USN-7788-1","title":"libmspack vulnerabilities","description":"Jakub Wilk discovered that libmspack did not correctly handle certain\ninteger operations and bounds checking. A remote attacker could possibly\nuse this issue to cause a denial of service. (CVE-2015-4467, CVE-2015-4468,\nCVE-2015-4469, CVE-2015-4472)\n\nIt was discovered that libmspack incorrectly handled certain malformed CAB\nfiles. A remote attacker could use this issue to cause libmspack to crash,\nresulting in a denial of service. (CVE-2017-11423)\n\nIt was discovered that libmspack incorrectly handled certain malformed CHM\nfiles. A remote attacker could use this issue to cause libmspack to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2017-6419)\n\nHanno Böck discovered that libmspack incorrectly handled certain CHM files.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2018-14679, CVE-2018-14680)\n\nJakub Wilk discovered that libmspack incorrectly handled certain KWAJ\nfiles. An attacker could possibly use this issue to execute arbitrary code.\n(CVE-2018-14681)\n\nDmitry Glavatskikh discovered that libmspack incorrectly handled certain\nCHM files. An attacker could possibly use this issue to execute arbitrary\ncode. (CVE-2018-14682)\n\nIt was discovered libmspack incorrectly handled certain malformed CAB\nfiles. A remote attacker could use this issue to cause libmspack to crash,\nresulting in a denial of service. (CVE-2018-18585)\n\nIt was discovered that libmspack incorrectly handled certain CHM files. A\nremote attacker could possibly use this issue to access sensitive\ninformation. (CVE-2019-1010305)","status":"published","published":"2025-10-01T00:06:41Z","modified":"2026-04-22T11:02:37.001569Z","updated_at":"2026-11-02T16:58:21.91885Z"}]}}