Vulnerability in Freerdp
CVE-2026-91962
FreeRDP before 3.31.0 contains an integer overflow in the audin Apple backends when processing FramesPerPacket values from MSG_SNDIN_OPEN messages. Attackers can supply crafted FramesPerPacket values that cause AudioQueueAllocateBuffer size computation to wrap, resulting in undersized buffer allocation and potential out-of-bounds access.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91962?
- CVE-2026-91962 is a medium-severity vulnerability in Freerdp, classified under Incorrect Calculation of Buffer Size. CVSS score: 6.3/10. Published 2026-09-15.
- How severe is CVE-2026-91962?
- Medium severity. CVSS v3 base score is 6.3 out of 10.