CVE-2026-6868CWE-121

Stack-based Buffer Overflow in Wireshark

Medium · published April 30, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
19.5
In the wild
Unconfirmed
What it is

HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00281 · 19.5th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-04-30T05:04Z
EPSS history
Timeline
  • 30 APR 05:04Z
    Stack-based Buffer Overflow in Wireshark
    cvelistv5