MEDIUM

CVE-2026-91945

2026-09-15 CVSS v3.1

CVSS

6.5

Description

FreeRDP versions before 3.31.0 contain an out-of-bounds read vulnerability in smartcard response decoders that fail to validate ATR length fields against fixed inline arrays. Authenticated RDP clients can send oversized ATR lengths in PAKID_CORE_DEVICE_IOCOMPLETION responses to trigger reads past stack or heap objects, causing process termination.

Weakness (CWE)

CWE-125 Out-of-bounds Read

EPSS Score

0.57%

Probability of exploitation in next 30 days

45.5th percentile

References

https://github.com/FreeRDP/FreeRDP/commit/9626564421df72c84f891afdbc0b20bf702f369f https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-q65v-4w7q-hx3r https://www.vulncheck.com/advisories/freerdp-before-3.31.0-out-of-bounds-read-via-smartcard-atr

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

Back to CVE