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wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-07T03:00:00Z","modified":"2024-08-05T15:25:49.281Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15477","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-07T03:00:00Z","modified":"2024-08-05T15:25:49Z","updated_at":"2026-11-03T02:39:12.564822Z"}],"ghsa":[{"id":"GHSA-6v8q-f99w-979p","title":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a...","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2022-05-14T02:19:44Z","modified":"2023-02-02T05:05:23Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:52:06.598736Z"}],"nvd":[{"id":"CVE-2017-6420","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-07T03:29:00.307Z","modified":"2026-06-17T01:22:19.11Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","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-416"],"updated_at":"2026-11-02T14:03:57.282351Z"}],"osv":[{"id":"CVE-2017-6420","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-07T03:29:00.307Z","modified":"2026-10-24T14:21:12.881198562Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:06.029968Z"},{"id":"DEBIAN-CVE-2017-6420","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-07T03:29:00.307Z","modified":"2026-09-01T20:03:49.125283155Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-6420","description":"The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.","status":"published","published":"2017-08-06T00:00:00Z","modified":"2026-04-22T11:29:28.889597Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"DLA-1105-1","title":"clamav - security update","status":"published","published":"2017-09-22T00:00:00Z","modified":"2026-03-09T01:01:57.530099Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DLA-1261-1","title":"clamav - security update","status":"published","published":"2018-01-27T00:00:00Z","modified":"2026-03-09T01:01:47.696167Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"MGASA-2017-0291","title":"Updated clamav packages fix security vulnerabilities","description":"It was discovered that ClamAV incorrectly handled parsing certain e-mail\nmessages. A remote attacker could possibly use this issue to cause\nClamAV to crash, resulting in a denial of service (CVE-2017-6418).\n\nIt was discovered that ClamAV incorrectly handled parsing certain PE\nfiles with WWPack compression. A remote attacker could possibly use this\nissue to cause ClamAV to crash, resulting in a denial of service\n(CVE-2017-6420).\n","status":"published","published":"2017-08-21T20:00:42Z","modified":"2026-04-16T06:23:48.655817755Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"id":"openSUSE-SU-2024:10685-1","title":"clamav-0.103.3-1.4 on GA media","description":"These are all security issues fixed in the clamav-0.103.3-1.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:51:59.666103Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2018:0254-1","title":"Security update for clamav","description":"This update for clamav fixes the following issues:\n\n- Update to security release 0.99.3 (bsc#1077732)\n  * CVE-2017-12376 (ClamAV Buffer Overflow in handle_pdfname Vulnerability)\n  * CVE-2017-12377 (ClamAV Mew Packet Heap Overflow Vulnerability)\n  * CVE-2017-12379 (ClamAV Buffer Overflow in messageAddArgument Vulnerability)\n    - these vulnerabilities could have allowed an unauthenticated,\n      remote attacker to cause a denial of service (DoS) condition\n      or potentially execute arbitrary code on an affected device.\n  * CVE-2017-12374 (ClamAV use-after-free Vulnerabilities)\n  * CVE-2017-12375 (ClamAV Buffer Overflow Vulnerability)\n  * CVE-2017-12378 (ClamAV Buffer Over Read Vulnerability)\n  * CVE-2017-12380 (ClamAV Null Dereference Vulnerability)\n    - these vulnerabilities could have allowed an unauthenticated,\n      remote attacker to cause a denial of service (DoS) condition on an affected device.\n  * CVE-2017-6420 (bsc#1052448)\n    - this vulnerability could have allowed remote attackers to cause a denial of service\n      (use-after-free) via a crafted PE file with WWPack compression.\n  * CVE-2017-6419 (bsc#1052449)\n    - ClamAV could have allowed remote attackers to cause a denial of service\n      (heap-based buffer overflow and application crash) or possibly\n      have unspecified other impact via a crafted CHM file.\n  * CVE-2017-11423 (bsc#1049423)\n    - ClamAV could have allowed remote attackers to cause a denial of service\n      (stack-based buffer over-read and application crash) via a crafted CAB file.\n  * CVE-2017-6418 (bsc#1052466)\n    - ClamAV could have allowed remote attackers to cause a denial\n      of service (out-of-bounds read) via a crafted e-mail message.\n","status":"published","published":"2018-01-27T13:21:17Z","modified":"2026-02-04T03:33:21.889932Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0255-1","title":"Security update for clamav","description":"This update for clamav fixes the following issues:\n\n- Update to security release 0.99.3 (bsc#1077732)\n  * CVE-2017-12376 (ClamAV Buffer Overflow in handle_pdfname Vulnerability)\n  * CVE-2017-12377 (ClamAV Mew Packet Heap Overflow Vulnerability)\n  * CVE-2017-12379 (ClamAV Buffer Overflow in messageAddArgument Vulnerability)\n    - these vulnerabilities could have allowed an unauthenticated,\n      remote attacker to cause a denial of service (DoS) condition\n      or potentially execute arbitrary code on an affected device.\n  * CVE-2017-12374 (ClamAV use-after-free Vulnerabilities)\n  * CVE-2017-12375 (ClamAV Buffer Overflow Vulnerability)\n  * CVE-2017-12378 (ClamAV Buffer Over Read Vulnerability)\n  * CVE-2017-12380 (ClamAV Null Dereference Vulnerability)\n    - these vulnerabilities could have allowed an unauthenticated,\n      remote attacker to cause a denial of service (DoS) condition on an affected device.\n  * CVE-2017-6420 (bsc#1052448)\n    - this vulnerability could have allowed remote attackers to cause a denial of service\n      (use-after-free) via a crafted PE file with WWPack compression.\n  * CVE-2017-6419 (bsc#1052449)\n    - ClamAV could have allowed remote attackers to cause a denial of service\n      (heap-based buffer overflow and application crash) or possibly\n      have unspecified other impact via a crafted CHM file.\n  * CVE-2017-11423 (bsc#1049423)\n    - ClamAV could have allowed remote attackers to cause a denial of service\n      (stack-based buffer over-read and application crash) via a crafted CAB file.\n  * CVE-2017-6418 (bsc#1052466)\n    - ClamAV could have allowed remote attackers to cause a denial\n      of service (out-of-bounds read) via a crafted e-mail message.\n- update upstream keys in the keyring\n\n- provide and obsolete clamav-nodb to trigger it's removal in Leap\n  bsc#1040662\n","status":"published","published":"2018-01-27T16:17:45Z","modified":"2025-05-02T04:06:08.450803Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"USN-3393-1","title":"clamav vulnerabilities","description":"It was discovered that ClamAV incorrectly handled parsing certain e-mail\nmessages. A remote attacker could possibly use this issue to cause ClamAV\nto crash, resulting in a denial of service. (CVE-2017-6418)\n\nIt was discovered that ClamAV incorrectly handled certain malformed CHM\nfiles. A remote attacker could use this issue to cause ClamAV to crash,\nresulting in a denial of service, or possibly execute arbitrary code. This\nissue only affected Ubuntu 14.04 LTS. In the default installation,\nattackers would be isolated by the ClamAV AppArmor profile. (CVE-2017-6419)\n\nIt was discovered that ClamAV incorrectly handled parsing certain PE files\nwith WWPack compression. A remote attacker could possibly use this issue to\ncause ClamAV to crash, resulting in a denial of service. (CVE-2017-6420)\n","status":"published","published":"2017-08-17T16:58:06Z","modified":"2026-04-22T09:38:32.183029Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}