CVE-2015-3812: Multiple memory leaks in the x11_init_protocol function in epan/dissectors/packet-x11.c in the X11 dissecto...

Security readout for executives and security teams

This flaw can make vulnerable Wireshark versions consume memory and stop working when they process a specially crafted X11 packet. The business impact is denial of service to packet-analysis workflows, not evidence of data theft or remote code execution in the provided sources. Exposure is most likely where vulnerable Wireshark or TShark installations analyze untrusted live traffic or packet capture files containing X11 protocol data. It is not described as a general internet-facing service vulnerability. Treat this as a focused maintenance issue for security tooling. Prioritize environments where Wireshark processes untrusted captures or live network traffic, but do not escalate as critical absent evidence of code execution or active exploitation. Mitigation focus: Upgrade Wireshark to 1.10.14, 1.12.5, or a later supported release.; Apply relevant vendor packages from Debian, Gentoo, Red Hat, or Oracle advisories.; Avoid analyzing untrusted captures with vulnerable Wireshark versions until updated..

Prepared

Jun 13, 2026, 22:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.