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CVE-2026-67299 is a client-side heap use-after-free in FreeRDP versions before 3.29.0 affecting asynchronous update processing of RAIL WINDOW_ICON_ORDER messages. In update_message_WindowIcon(), a shallow CopyMemory operation replaces a newly allocated iconInfo member with a pointer owned by the parser. Once the parser callback returns, update_recv_window_info_order() frees that parser-owned allocation while a queued asynchronous message still retains the pointer. Subsequent asynchronous dispatch dereferences the stale pointer, causing heap memory corruption or a client crash.
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No public exploit code observed for this vulnerability.
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38 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown; the content provides no vulnerability-specific technical description.
A vulnerability addressed by the referenced Fedora FreeRDP2 security advisory; no technical flaw details are provided.
A vulnerability referenced in a Fedora 43 freerdp2 security update. The content provides no technical vulnerability description.
A FreeRDP denial-of-service vulnerability caused by a crafted WindowIcon asynchronous message.
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.