Medium severity6.5NVD Advisory· Published Sep 15, 2026· Updated Sep 24, 2026
CVE-2026-91959
CVE-2026-91959
Description
FreeRDP before 3.31.0 contains a buffer over-read vulnerability in the rts_read_result function within the RPC gateway transport parser. Attackers can send a malicious BIND_ACK PDU with a truncated result entry to trigger an out-of-bounds read causing process abort.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- osv-coords6 versionspkg:rpm/almalinux/freerdppkg:rpm/almalinux/freerdp-develpkg:rpm/almalinux/freerdp-libspkg:rpm/almalinux/freerdp-serverpkg:rpm/almalinux/libwinprpkg:rpm/almalinux/libwinpr-devel
< 2:3.10.3-12.el10_2.14+ 5 more
- (no CPE)range: < 2:3.10.3-12.el10_2.14
- (no CPE)range: < 2:3.10.3-12.el10_2.14
- (no CPE)range: < 2:3.10.3-12.el10_2.14
- (no CPE)range: < 2:3.10.3-12.el10_2.14
- (no CPE)range: < 2:3.10.3-12.el10_2.14
- (no CPE)range: < 2:3.10.3-12.el10_2.14
Patches
Vulnerability mechanics
References
2- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pj8w-fh79-f438nvdExploitMitigationVendor Advisory
- www.vulncheck.com/advisories/freerdp-before-3.31.0-buffer-over-read-via-rts-gatewaynvdThird Party Advisory
News mentions
1- FreeRDP: 20 Vulnerabilities Disclosed, Including Critical RDSTLS BypassVypr Intelligence · Sep 15, 2026