Vulnerability in Freerdp
CVE-2026-109941
FreeRDP from 2.3.0 before 3.32.0 contains an infinite loop vulnerability in http_chuncked_read that allows malicious RD Gateways to hang clients by sending incomplete chunked responses. Attackers can send a partial chunk-size line or footer followed by a clean TLS shutdown, causing zero-byte reads to loop forever and freeze the client decoder thread.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7vfc-chg9-q5r8 (vendor-advisory)
- www.vulncheck.com/advisories/freerdp-2.3.0-before-3.32.0-infinite-loop-via-rd-g… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109941?
- CVE-2026-109941 is a medium-severity vulnerability in Freerdp, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-10-13.
- How severe is CVE-2026-109941?
- Medium severity. CVSS v3 base score is 6.5 out of 10.