CVE-2026-76889

A flaw was found in Wireshark. A local attacker could exploit a crash in the UMTS FP protocol dissector. This vulnerability, which requires user interaction, leads to a denial of service, making the application unavailable.

A flaw was found in the UMTS FP dissector in Wireshark versions 4.4.0 through 4.4.17 and 4.6.0 through 4.6.7. Red Hat Enterprise Linux 6, 7, 8, and 9 ship Wireshark versions prior to the affected range and are not vulnerable. Red Hat Enterprise Linux 10 and Red Hat In-Vehicle OS ship an affected version of Wireshark.

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.

Do not open untrusted packet capture files or capture traffic from untrusted networks with Wireshark.