CVE-2026-25955: Freerdp Rdpgfx Missing Unmap Window For Surface Callback
RdpgfxClientContext registers UpdateWindowFromSurface but does not register UnmapWindowForSurface in the same initializer. UpdateWindowFromSurface caches an XImage whose data pointer aliases the RDPGFX surface buffer; without an UnmapWindowForSurface callback to invalidate that cached alias before the surface backing buffer is freed by gdi_DeleteSurface, a m
Cgreprules fetch cve-2026-25955-freerdp-rdpgfx-missing-unmap-window-for-surface-callback --engine opengrepDescription
RdpgfxClientContext registers UpdateWindowFromSurface but does not register UnmapWindowForSurface in the same initializer. UpdateWindowFromSurface caches an XImage whose data pointer aliases the RDPGFX surface buffer; without an UnmapWindowForSurface callback to invalidate that cached alias before the surface backing buffer is freed by gdi_DeleteSurface, a m
Community feedback
0 rule-level signals from signed-in users.
- Useful reports
- 0
- Context false positives
- 0
- Metadata suggestions
- 0
Contextual precision
Aggregated from approved scan feedback. False-positive reports describe observed scan contexts, not a global rule verdict.
- Findings observed
- 0
- Projects
- 0
- Reporters
- 0
Precision details are collecting more signed-in reports before verdict counts or ratios are emphasized.
No approved finding verdicts yet.
No scan diagnostics reported yet.