CVE-2026-76889CWE-122

CVE-2026-76889

Medium · published August 20, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
2.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00128 · 2.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-08-20T03:16Z
Affected products (2)
ProductVersionsFixed in
wireshark/wireshark≥ 4.4.0, < 4.4.184.4.18
wireshark/wireshark≥ 4.6.0, < 4.6.84.6.8
References (2)
https://gitlab.com/wireshark/wireshark/-/work_items/21413 · [email protected]https://www.wireshark.org/security/wnpa-sec-2026-66.html · [email protected]
EPSS history
Timeline
  • 19 AUG 22:35Z
    Heap-based Buffer Overflow in Wireshark
    cvelistv5