CVEvulnerability
CVE-2026-109257
8.2 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-12
- Last modified
- 2026-10-27
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.2 HIGH — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-415
Description
FreeRDP before 3.32.0 contains a double-free vulnerability in nsc_context_initialize_encode() that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the server during context teardown.
Affected configurations
• freerdp freerdp 3.31.0
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/freerdp-before-3.32.0-double-free-via-nscodec-plane-growth-failure Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w Exploit, Vendor Advisory