Vulnerability details

CVE-2026-24677

FreeRDP FreeRDP

FreeRDP has a heap-buffer-overflow in ecam_encoder_compress_h264

CVSS 4.0

8.7High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (GitHub_M)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`

Affected products

Vendor	Product	Versions	Source
FreeRDP	FreeRDP	< 3.22.0	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xw37-j744-f8v7 x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/commit/d2d4f449312ddafd4a4c6c8a4f856c7f0d44a3b5 x_refsource_MISC

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Details

Published: 2026-02-09
Last updated: 2026-02-10
State: Published
Assigner (CNA): GitHub_M

Exploit prediction (EPSS)

0.54%

Probability of exploitation in 30 days

46.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-416
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