FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command claiming to use NSCodec, even when the codec is disabled.
Metrics
Affected Vendors & Products
References
History
Thu, 17 Sep 2026 20:30:00 +0000
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ssvc
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Wed, 16 Sep 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Tue, 15 Sep 2026 15:30:00 +0000
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| Description | FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command claiming to use NSCodec, even when the codec is disabled. | |
| Title | FreeRDP before 3.31.0 NULL Pointer Dereference via NSCodec | |
| First Time appeared |
Freerdp
Freerdp freerdp |
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| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Freerdp
Freerdp freerdp |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-15T15:18:10.550Z
Updated: 2026-09-17T19:28:25.591Z
Reserved: 2026-09-15T11:07:34.398Z
Link: CVE-2026-91954
Updated: 2026-09-17T19:15:30.917Z
Status : Analyzed
Published: 2026-09-15T16:17:49.807
Modified: 2026-09-24T12:16:39.400
Link: CVE-2026-91954