CVE-2026-15172: Unchecked Input for Loop Condition in Wireshark
Published Jul 8, 2026
·Updated
FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Affected Software
3 affected components
Wireshark Wireshark>=4.6.0<4.6.6, >=4.4.0<4.4.16
Wireshark Wireshark>=4.4.0<4.4.17
Wireshark Wireshark>=4.6.0<4.6.7
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
wiresharkto a version that resolves this vulnerability.Fixed in 4.6.7
Event History
Jul 8, 2026
CVE Published
via MITRE·08:51 PM
Data Sourced
via MITRE·08:51 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-15172?
CVE-2026-15172 has a medium severity rating of 5.5.
2
What type of vulnerability is CVE-2026-15172?
CVE-2026-15172 is an unchecked input for loop condition vulnerability in Wireshark.
3
How does CVE-2026-15172 impact Wireshark?
CVE-2026-15172 allows for denial of service, causing a crash in the FMP/NOTIFY protocol dissector.
4
What versions of Wireshark are affected by CVE-2026-15172?
CVE-2026-15172 affects Wireshark versions 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16.
5
How can I mitigate the effects of CVE-2026-15172?
To mitigate CVE-2026-15172, upgrade to a version of Wireshark that is not affected by this vulnerability.