Wireshark RF4CE Packet Parsing Buffer Overflow Remote Code Execution Vulnerability

September 23rd, 2026
ZDI-26-747 ZDI-CAN-31780

CVE ID

CVE-2026-96417

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Wireshark

Affected Products

Wireshark

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Wireshark. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of RF4CE key exchange packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Wireshark has issued an update to correct this vulnerability. More details can be found at:
https://gitlab.com/wireshark/wireshark/-/commit/b2d359a23f9557d1740ded6b5e71ec8eea4b1695

Disclosure Timeline

  • 2026-09-10 - Vulnerability reported to vendor
  • 2026-09-23 - Coordinated public release of advisory
  • 2026-09-23 - Advisory Updated

Credit

Meshaal (@unrealmesh)

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