CVE-2026-22852

FreeRDP has a heap-buffer-overflow in audin_process_formats

CVSS 6.8 MEDIUMEPSS 0.4%CWE-787

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 6.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

14 jan 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client when processing Audio Input (AUDIN) format lists. audin_process_formats reuses callback->formats_count across multiple MSG_SNDIN_FORMATS PDUs and writes past the newly allocated formats array, causing memory corruption and a crash. This vulnerability is fixed in 3.20.1.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Produtos afetados

FreeRDP · FreeRDP

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Referências

https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1 https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9chc-g79v-4qq4