title: Mismatched Memory Management Routines in Wireshark
description: T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file
problem types: CWE-762: Mismatched Memory Management Routines
affected:
{
vendor: Wireshark Foundation
product: Wireshark
versions:
version: 4.2.0, status: affected, lessThan: 4.2.4, versionType: semver
version: 4.0.0, status: affected, lessThan: 4.0.14, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
]
solutions: Upgrade to versions 4.2.4 or above.