CVE-2026-121388: FreeRDP, отказ на услуга

Описание

Оригинално описание

FreeRDP from 3.0.0 before 3.32.2 contains an uncontrolled resource allocation vulnerability that allows malicious RDP servers to force large client allocations through the DRDYNVC DATA_FIRST Length field. Attackers can declare lengths up to 4,294,967,295 bytes on running dynamic channels, causing StreamPool_Take to reserve memory before body validation and exhaust client memory.

Засегнати продукти

• FreeRDP FreeRDP: 3.0.0 преди 3.32.2; 3.32.2

Вид слабост

• CWE-770 Allocation of Resources Without Limits or Throttling

История

Други уязвимости в FreeRDP FreeRDP

• 8.7CVE-2026-121964
• 8.1CVE-2026-121962
• 8.2CVE-2026-121963
• 8.2CVE-2026-121961
• 8.7CVE-2026-121960

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-121388
• https://nvd.nist.gov/vuln/detail/CVE-2026-121388
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrp5-666j-g6gp
• https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.2-uncapped-memory-allocation-via-drdynvc-data-first