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Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.

PUBLISHED Reserved 2026-01-23 | Published 2026-02-09 | Updated 2026-02-10 | Assigner GitHub_M




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-416: Use After Free

Product status

< 3.22.0
affected

References

github.com/...reeRDP/security/advisories/GHSA-xw37-j744-f8v7

github.com/...ommit/d2d4f449312ddafd4a4c6c8a4f856c7f0d44a3b5

cve.org (CVE-2026-24677)

nvd.nist.gov (CVE-2026-24677)

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