Out-of-bounds Read in Freerdp
CVE-2026-67291
FreeRDP before 3.29.0 (affected versions <= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Freerdp — versions 0, 3.29.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-67291?
- CVE-2026-67291 is a high-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-08-01.
- How severe is CVE-2026-67291?
- High severity. CVSS v3 base score is 7.5 out of 10.