CVE-2026-121955FreeRDP before 3.32.2 Use-After-Free in Smartcard Emulation ReleaseContext

Beschreibung

FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the emulated SCardContext before its worker thread is cancelled and joined. A malicious server can send ESTABLISHCONTEXT, a long-timeout GETSTATUSCHANGE, then RELEASECONTEXT smartcard IRPs to corrupt heap memory or crash clients using smartcard emulation.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• GitHub Security Advisory (GHSA-983v-jp34-f3fm) vendor-advisoryExploitMitigationVendor Advisory
• VulnCheck Advisory: FreeRDP before 3.32.2 Use-After-Free in Smartcard Emulation ReleaseContext third-party-advisoryThird Party Advisory