CVE-2026-24677CRITICAL 9.1EPSS p38.2%

CVE-2026-24677CVE-2026-24677

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS0.49% probability of exploitation · percentile 38.2% · 2026-06-19T12:03:05Z
Published2026-02-09
Last modified2026-02-10

Underlying weaknesses· 1

CWE-416

References

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

1

TypeTargetConfidenceTier
WeaknessUse After Freecwe-4160%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.