CVE-2026-57156
criticalFreeRDP is a free implementation of the Remote Desktop Protocol.
Vendor / product: Freerdp — freerdp
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0 on 32-bit builds, FreeRDP clients contain an integer overflow in update_read_delta_points in libfreerdp/core/orders.c when multiplying an attacker-controlled point count by sizeof(DELTA_POINT), allowing a malicious RDP peer to allocate an undersized heap buffer and then write beyond it during initialization. This issue is fixed in version 3.28.0.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-10 20:16
Modified: 2026-11-03 23:17
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 23:24 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
freerdp / freerdp <3.28.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/FreeRDP/FreeRDP/commit/487f35daccb36a6224e530dcd8fa60850825f823
Patch / mitigation: https://github.com/FreeRDP/FreeRDP/pull/12938
Patch / mitigation: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v5wf-j8j4-77h7
Patch / mitigation: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v5wf-j8j4-77h7
References
- https://github.com/FreeRDP/FreeRDP/commit/487f35daccb36a6224e530dcd8fa60850825f823 security-advisories@github.com
- https://github.com/FreeRDP/FreeRDP/pull/12938 security-advisories@github.com
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.28.0 security-advisories@github.com
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v5wf-j8j4-77h7 security-advisories@github.com
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v5wf-j8j4-77h7 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 23:24 UTC · record ↗