| Name | CVE-2026-91947 |
| Description | GHSA-6mpx-c8rj-whj5: FreeRDP server DRDYNVC parser use-after-free during concurrent channel close |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| freerdp2 (PTS) | bookworm | 2.11.7+dfsg1-6~deb12u1 | vulnerable |
| freerdp3 (PTS) | trixie | 3.15.0+dfsg-2.1+deb13u3 | vulnerable |
| forky, sid | 3.31.1+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| freerdp2 | source | (unstable) | (unfixed) | | | |
| freerdp3 | source | (unstable) | 3.31.0+dfsg-1 | | | |
Notes
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6mpx-c8rj-whj5
https://www.openwall.com/lists/oss-security/2026/09/01/2