CVE-2026-109255 (GCVE-0-2026-109255)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-12 16:04
VLAI
EPSS
VEX
Title
FreeRDP 3.0.0 before 3.32.0 heap buffer overflow via license_check_stream_length
Summary
FreeRDP 3.0.0 before 3.32.0 contains an integer truncation vulnerability in license_check_stream_length that allows a malicious RDP server to trigger a heap buffer overflow on 32-bit clients. Attackers can send a crafted SERVER_LICENSE_REQUEST with a large scopeCount that bypasses length checks, causing out-of-bounds writes leading to denial of service or remote code execution.
Severity
6.8 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/freerdp-3.0.… | third-party-advisory |
Impacted products
Date Public
2026-09-28 00:00
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"dateReserved": "2026-10-12T14:09:00.053Z",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "freerdp: freerdp: Arbitrary code execution via integer truncation in license stream validation",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109255.json",
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}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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