CVE-2026-6535CWE-1325

Improperly Controlled Sequential Memory Allocation in Wireshark

Medium · published April 30, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

Dissection engine zlib decompression 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
0.00157 · 4.5th percentile
Weakness
CWE-1325 · Improperly Controlled Sequential Memory Allocation
Published
2026-04-30T05:36Z
EPSS history
Timeline
  • 30 APR 05:36Z
    Improperly Controlled Sequential Memory Allocation in Wireshark
    cvelistv5