FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the rdpdr_dump_packet function due to 32-bit unsigned integer wraparound in buffer bounds validation. A malicious RDP server can send a crafted RDPDR packet with computerNameLen set to 0xFFFFFFF0 to bypass bounds checks and trigger memory reads past the packet buffer, causing client crashes or heap disclosure in logs.
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Affected Vendors & Products
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History
Wed, 16 Sep 2026 00:15:00 +0000
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threat_severity
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Tue, 15 Sep 2026 16:30:00 +0000
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| Description | FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the rdpdr_dump_packet function due to 32-bit unsigned integer wraparound in buffer bounds validation. A malicious RDP server can send a crafted RDPDR packet with computerNameLen set to 0xFFFFFFF0 to bypass bounds checks and trigger memory reads past the packet buffer, causing client crashes or heap disclosure in logs. | |
| Title | FreeRDP before 3.31.0 Out-of-Bounds Read via UINT32 Wraparound | |
| First Time appeared |
Freerdp
Freerdp freerdp |
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| Weaknesses | CWE-125 | |
| CPEs | cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Freerdp
Freerdp freerdp |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-15T15:18:07.841Z
Updated: 2026-09-15T15:54:08.073Z
Reserved: 2026-09-15T11:07:34.398Z
Link: CVE-2026-91950
Updated: 2026-09-15T15:54:04.100Z
Status : Analyzed
Published: 2026-09-15T16:17:48.800
Modified: 2026-09-24T12:15:06.237
Link: CVE-2026-91950