CVE-2018-6836

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 8, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-68425.4Kentico 10 before 10.0.50 and 11 before 11.0.3 has XSS in which a crafted URL results in improper construction of a system page.CVE-2018-68437.2Kentico 10 before 10.0.50 and 11 before 11.0.3 has SQL injection in the administration interface.CVE-2018-68445.4MyBB 1.8.14 has XSS via the Title or Description field on the Edit Forum screen.CVE-2018-68456.1PHP Scripts Mall Multi Language Olx Clone Script 2.0.6 has XSS via the Leave Comment field.CVE-2018-68465.3Z-BlogPHP 1.5.1 allows remote attackers to discover the full path via a direct request to zb_system/function/lib/upload.php.CVE-2018-68494.3In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather complete client information (such as https://CVE-2018-68517.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local PriviCVE-2018-68527.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local PriviCVE-2018-68537.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local PriviCVE-2018-68547.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local PriviCVE-2018-68557.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local PriviCVE-2018-68567.8Sophos SafeGuard Enterprise before 8.00.5, SafeGuard Easy before 7.00.3, and SafeGuard LAN Crypt before 3.95.2 are vulnerable to Local Privi
CVE-2018-6836: Critical severity, CVSS 9.8 | Vulnix