CVE-2026-76922 NULL Pointer Dereference in Wireshark
A null pointer dereference in the Bluetooth BR/EDR FHS dissector allows attackers to cause a denial of service in Wireshark.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-76922?
CVE-2026-76922 is a medium-severity vulnerability in Wireshark Wireshark, published on 19 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Weakness: CWE-476
Which versions are affected by CVE-2026-76922?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2026-76922?
Upgrade to a fixed version.
Is CVE-2026-76922 being exploited?
There is no known exploitation of CVE-2026-76922 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as AZL-96836, DEBIAN-CVE-2026-76922, GHSA-gf7g-v66m-whq2, MINI-9jvc-cp2w-f4fp, UBUNTU-CVE-2026-76922.