CVE-2026-96423
Wireshark: heap buffer overflow can lead to denial of service
- Risk score
- 48/100
- CVSS
- 7.1 v3.1
- Exploit chance (30 days)
- 0.1%
- Published
- 29 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
- Affected
- Wireshark
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- Public proof of concept
Why it is Yellow
- CVSS 7.1 high
- Public exploit or proof of concept referenced
References
Original description
X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Last activity 29 Sep 2026. Patch Forecast updates every hour.