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CVE-2026-6531 is an infinite-loop denial-of-service vulnerability in Wireshark’s SANE (Scanner Access Now Easy) protocol dissector. When dissecting SANE_NET_CONTROL_OPTION request or response messages, the dissector’s dissect_control_option_value() logic accepts attacker-controlled array-length and value-type fields. An unrecognized value type can cause the loop body to perform no meaningful parsing while the attacker-controlled length remains the loop bound, resulting in up to approximately 2^31 iterations. Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14 are affected.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Wireshark vulnerability referenced by the plugin; technical details are not provided.
Referenced as part of the Wireshark 4.6.8 advisory/plugin CVE list, but not described individually in the content.
A Wireshark SANE dissector vulnerability that can trigger an infinite loop and denial of service.
A Wireshark SANE dissector infinite loop denial-of-service vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.