VULNERABILITY INTELLIGENCE

CVE-2018-6836

CVSS score9.8 CRITICAL

EPSS probability2.72%

CISA KEVNot currently listed

Published2018-02-08

Last modified2026-06-17

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

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.

Weakness classification

CWE-763: Release of Invalid Pointer or Reference

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org — Issue Tracking, Patch
cve@mitre.org — Patch
cve@mitre.org
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 — Patch
af854a3a-2127-422b-91ae-364da2661108