CVE-2026-15169: Heap-based Buffer Overflow in Wireshark
Published Jul 8, 2026
·Updated
UMTS FP 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-2026-15169?
CVE-2026-15169 has a medium severity rating of 5.5.
2
What causes CVE-2026-15169?
CVE-2026-15169 is caused by a heap-based buffer overflow in the UMTS FP protocol dissector in specific versions of Wireshark.
3
What versions of Wireshark are affected by CVE-2026-15169?
CVE-2026-15169 affects Wireshark versions 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16.
4
How do I fix CVE-2026-15169?
To fix CVE-2026-15169, upgrade to a patched version of Wireshark that is beyond the affected versions.
5
What type of vulnerability is CVE-2026-15169?
CVE-2026-15169 is classified as a denial of service vulnerability.