CVE-2026-15173CWE-122

Heap-based Buffer Overflow in Wireshark

Medium · published July 8, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 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
0.00129 · 2.3th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-07-08T20:51Z
EPSS history
Timeline
  • 08 JUL 20:51Z
    Heap-based Buffer Overflow in Wireshark
    cvelistv5