CVE-2026-91962

MEDIUM 6.3

FreeRDP before 3.31.0 Integer Overflow via audin Apple backends

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-131
Vendor	freerdp
Product	freerdp
Published	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

FreeRDP / FreeRDP

0 < 3.31.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f5p6-88mh-59vg vulncheck.com: https://www.vulncheck.com/advisories/freerdp-before-3.31.0-integer-overflow-via-audin-apple-backends

Credits

🔍 gulamovzavohir02-glitch