CVE-2026-15168 Use of Uninitialized Variable in Wireshark
An attacker can potentially disclose sensitive information by exploiting an uninitialized variable in the BLF file parser of 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-2026-15168?
CVE-2026-15168 is a low-severity vulnerability in Wireshark Wireshark, published on 8 Jul 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
BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure
Weakness: CWE-457
Which versions are affected by CVE-2026-15168?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2026-15168?
Upgrade to a fixed version.
Is CVE-2026-15168 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15168 exists.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as AZL-92114, DEBIAN-CVE-2026-15168, GHSA-24h4-9r9x-fc93, MINI-mwhg-7m5p-c75g, UBUNTU-CVE-2026-15168.