Vulnerability · Published Sep 29, 2026 · Assigned by GitLab
CVE-2026-95391Use After Free in Wireshark
Medium 5.5
In plain English
A medium-severity use-after-free in Wireshark from Wireshark Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)<0.1%top 99.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | wireshark | 4.6.9-1 | DEBIAN-CVE-2026-95391 |
| Ubuntu:24.04:LTS | wireshark | no fix listed | UBUNTU-CVE-2026-95391 |
| Ubuntu:26.04:LTS | wireshark | no fix listed | UBUNTU-CVE-2026-95391 |
| Ubuntu:26.10 | wireshark | no fix listed | UBUNTU-CVE-2026-95391 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – before 4.6.9 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H