What is CVE-2026-67306?

CVE-2026-67306 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-08-01.

How severe is CVE-2026-67306?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Out-of-bounds Read in Freerdp

CVE-2026-67306

FreeRDP versions 3.28.0 and earlier contain an out-of-bounds read vulnerability in the RDP6 planar RLE bitmap decoder functions planar_decompress_plane_rle and planar_decompress_plane_rle_only in libfreerdp/codec/planar.c. Only the 1-byte…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.

Affected products

Freerdp — versions 0, 3.29.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67306?: CVE-2026-67306 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-08-01.
How severe is CVE-2026-67306?: Medium severity. CVSS v3 base score is 5.4 out of 10.