Medium [CVE-2026-96416] Denial of Service via malformed IEEE 802.11 packet processing
This medium-severity Red Hat Linux advisory covers CVE-2026-96416; related products: Red Hat Enterprise Linux 10, Red Hat package: wireshark.
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Summary
Denial of Service via malformed IEEE 802.11 packet processing. Red Hat rates this moderate (CVSS 5.5).
Weakness: CWE-1286.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: wireshark.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Mitigation checklist
- Disable the IEEE 802.11 dissector in Wireshark or avoid processing packet captures from untrusted sources. 1. Dissector configuration: - In the Wireshark graphical interface, navigate to Analyze -> Enabled Protocols, search for "IEEE 802.11", and deselect it. - When using command-line tools like TShark, disable the protocol using the `--disable-protocol` flag: `tshark --disable-protocol wlan -r capture.pcap` 2. Operational controls: Avoid opening capture files from untrusted sources or capturing live traffic on untrusted wireless networks. 3. Package removal: If packet analysis tools are not required on the system, remove the package: `sudo dnf remove wireshark` Caveats: Disabling the IEEE 802.11 protocol prevents parsing and decoding of wireless frame structures, leaving traffic presented only as raw payload data. Removing the package removes Wireshark binaries and associated CLI tools.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
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