4.7

CVE-2026-76889

Heap-based Buffer Overflow in Wireshark

UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerWireshark Foundation
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Produkt Wireshark
Default Statusunaffected
Version 4.6.0
Version < 4.6.8
Status affected
Version 4.4.0
Version < 4.4.18
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.1% 0.009
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@gitlab.com 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://www.wireshark.org/security/wnpa-sec-2026-66.html
https://gitlab.com/wireshark/wireshark/-/work_items/21413