FreeRDP before 3.32.2 allows a client assertion abort because rdpgfx_on_data_received rejects only negative zgfx_decompress status and passes the…
FreeRDP before 3.32.2 allows a client assertion abort because rdpgfx_on_data_received rejects only negative zgfx_decompress status and passes the resulting null output pointer to Stream_StaticConstInit. A malicious RDP server can send a zero-output ZGFX payload on the RDPGFX channel after session activation to terminate the client.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- FreeRDP
- Product
- FreeRDP
- CVSS v3.1
- 4.3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Weakness
- CWE-617
- Exposure class
- Remote access
- NVD status
- Analyzed
Why it ranks 36 (Notable)
- CVSS v3.1 4.3 medium
- Exposed product class: remote access
- Widely deployed vendor product (FreeRDP)
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- Vendor advisory (github.com)
- CVE-2026-121406 on this site · NVD · CVE.org · Vulnpedia