CVE-2026-76880CWE-787

CVE-2026-76880

High · published August 20, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
14.7
In the wild
Unconfirmed
What it is

RRC 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
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00243 · 14.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
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/21478 · [email protected]https://www.wireshark.org/security/wnpa-sec-2026-88.html · [email protected]
EPSS history
Timeline
  • 19 AUG 22:44Z
    Out-of-bounds Write in Wireshark
    cvelistv5