CVE-2025-11626 Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
An attacker can cause a denial of service in Wireshark by sending crafted MONGO packets that trigger an infinite loop in the dissector.
- 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-2025-11626?
CVE-2025-11626 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 10 Oct 2025. 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
MONGO dissector infinite loop in Wireshark 4.4.0 to 4.4.9 and 4.2.0 to 4.2.13 allows denial of service
Weakness: CWE-835
Which versions are affected by CVE-2025-11626?
It affects 1 product.
Linux distribution packages (7)
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 4.2.14-150600.18.29.1 |
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 3.6.24-150000.3.124.1 |
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 4.2.14-150600.18.29.1 |
wireshark SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 | All versions | 4.2.14-150600.18.29.1 |
wireshark SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | All versions | 4.2.14-150600.18.29.1 |
wireshark openSUSE:Leap 15.6 | All versions | 4.2.14-150600.18.29.1 |
wireshark openSUSE:Tumbleweed | All versions | 4.4.10-2.1 |
Products include Wireshark Wireshark.
How do I fix CVE-2025-11626?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-11626 being exploited?
There is no known exploitation of CVE-2025-11626 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as AZL-68436, DEBIAN-CVE-2025-11626, GHSA-6vwg-gm7p-4529, OESA-2025-2471, OESA-2025-2472, OESA-2025-2473 and 6 more.