CVE-2026-0962 Out-of-bounds Write in Wireshark
An out-of-bounds write in the SOME/IP-SD dissector allows attackers to crash Wireshark, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-0962?
CVE-2026-0962 is a medium-severity memory corruption vulnerability in Wireshark Wireshark, published on 14 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
SOME/IP-SD protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service
Weakness: CWE-787
Which versions are affected by CVE-2026-0962?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2026-0962?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-0962 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0962 exists.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as AZL-74543, DEBIAN-CVE-2026-0962, GHSA-fxww-56j7-2rh4, UBUNTU-CVE-2026-0962.