CVE-2025-11626
wireshark: MONGO dissector infinite loop
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 11, 2025
Updated · June 30, 2026
Description
A flaw was found in Wireshark’s MONGO dissector. When processing certain malformed MONGO packets, the dissector could enter an infinite loop, leading to unbounded CPU consumption. This issue allows an attacker to cause a denial of service by sending a specially crafted packet on the network or by convincing a user to open a malicious capture file.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is currently available that meets Red Hat Product Security's standards for usability, deployment, applicability, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')