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CVE-2026-69159 was rejected as a duplicate of CVE-2026-67306. The canonical vulnerability affects FreeRDP versions before 3.29.0. The planar_decompress_plane_rle and planar_decompress_plane_rle_only routines validate the presence of an RLE control byte but fail to verify that the input buffer contains the zero to fifteen raw bytes specified by that byte. A malicious RDP server can send a truncated planar bitmap or surface update that causes the FreeRDP client decoder to read beyond the source buffer.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An out-of-bounds read in FreeRDP planar bitmap/surface-update decompression. A malicious RDP server can crash a client or potentially disclose adjacent client memory.
A FreeRDP out-of-bounds-read vulnerability leading to denial of service and information disclosure.
A FreeRDP out-of-bounds-read vulnerability resulting in denial of service and information disclosure.
An unpatched vulnerability tracked as CVE-2026-69159 affecting Debian Linux 11.0, 12.0, and 13.0 packages freerdp2 and freerdp3.
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.