{"id":"CVE-2018-6836","aliases":["EUVD-2018-18582","GHSA-79gq-68m6-v3vg","UBUNTU-CVE-2018-6836"],"status":"published","title":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a...","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other 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Tracking","Third Party Advisory","report"]},{"url":"https://code.wireshark.org/review/#/c/25660/","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6836"},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef","tags":["report"]},{"url":"https://github.com/advisories/GHSA-79gq-68m6-v3vg"},{"url":"https://ubuntu.com/security/CVE-2018-6836","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-6836","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-6836","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2018-02-08T07:00:00Z","modified":"2024-08-05T06:17:15.852Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18582","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2018-02-08T07:00:00Z","modified":"2024-08-05T06:17:15Z","updated_at":"2026-11-03T02:40:07.110514Z"}],"ghsa":[{"id":"GHSA-79gq-68m6-v3vg","title":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a...","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2022-05-13T01:20:31Z","modified":"2023-02-01T05:06:10Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-763"],"updated_at":"2026-11-02T14:50:19.146831Z"}],"nvd":[{"id":"CVE-2018-6836","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2018-02-08T07:29:01.197Z","modified":"2026-06-17T02:02:20.58Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-763"],"updated_at":"2026-11-02T14:04:22.897995Z"}],"osv":[{"id":"CVE-2018-6836","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2018-02-08T07:29:01.197Z","modified":"2026-10-24T10:30:53.049964924Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"UBUNTU-CVE-2018-6836","description":"The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.","status":"published","published":"2018-02-08T07:29:00Z","modified":"2026-04-22T12:01:39.460165Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:18.772093Z"}]}}