CVE-2026-76887

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.7 Wireshark versions 4.4.0 through 4.4.18

Description A heap-based buffer overflow in the dissection engine can lead to a crash, resulting in a denial of service. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially corrupting memory.

Recommendations Update Wireshark versions 4.6.0 through 4.6.7 to a version newer than 4.6.7. Update Wireshark versions 4.4.0 through 4.4.18 to a version newer than 4.4.18.