Denial of Service Vulnerability in Wireshark by The Wireshark Team
CVE-2025-11626

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
10 October 2025

What is CVE-2025-11626?

The Wireshark network protocol analyzer versions 4.4.0 to 4.4.9 and 4.2.0 to 4.2.13 contain a vulnerability in the MONGO dissector that leads to an infinite loop. This flaw allows a remote attacker to craft specific packets that, when processed, may cause the application to become unresponsive, effectively resulting in a denial of service. Users are advised to upgrade to the latest version to mitigate this issue.

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Affected Version(s)

Wireshark 4.4.0 < 4.4.10

Wireshark 4.2.0 < 4.2.14

References

https://www.wireshark.org/security/wnpa-sec-2025-04.html
https://gitlab.com/wireshark/wireshark/-/issues/20724
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CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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