CVE catalog
CVE-2026-22855
FreeRDP vulnerabilities
- Severity
- High · CVSS 7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.89% · Oct 25, 2026
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when cbAttrLen does not match the actual NDR buffer length. This vulnerability is fixed in 3.20.1.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | freerdp2 | bookworm | 2.11.7+dfsg1-6~deb12u1 | vulnerable |
| Ubuntu | freerdp2 | noble | Not reported | vulnerable |
| Ubuntu | freerdp3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp3-dev | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp3-shadow-x11 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp3-wayland | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp3-x11 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libfreerdp-client3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libfreerdp-server3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libfreerdp-shadow-subsystem3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libfreerdp-shadow3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libfreerdp3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libwinpr-tools3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libwinpr3-3 | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | libwinpr3-dev | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | winpr3-utils | noble | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp | 16.04 | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1 | vulnerable |
| Ubuntu | freerdp | 16.04 | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2 | vulnerable |
| Ubuntu | freerdp | 16.04 | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 | vulnerable |
| Ubuntu | freerdp | 16.04 | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.10.0+dfsg1-1.1ubuntu1 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.2+dfsg1-1 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.2+dfsg1-1build1 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.2+dfsg1-1build3 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1build1 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1build2 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm2 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm3 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm4 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm5 | vulnerable |
| Ubuntu | freerdp2 | pro | 2.11.5+dfsg1-1ubuntu0.1~esm6 | vulnerable |
| Ubuntu | freerdp | 18.04 | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1 | vulnerable |
| Ubuntu | freerdp | 18.04 | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1 | vulnerable |
| Ubuntu | freerdp | 18.04 | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.3.0+dfsg1-2build1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.3.0+dfsg1-2ubuntu1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.3.0+dfsg1-2ubuntu2 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.4.1+dfsg1-1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.4.1+dfsg1-1ubuntu1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.4.1+dfsg1-1ubuntu2 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.5.0+dfsg1-1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.0+dfsg1-1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.1 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.2 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.3 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.4 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.5 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.6 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.7 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.8 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.9 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.10 | vulnerable |
| Ubuntu | freerdp2 | 22.04 | 2.6.1+dfsg1-3ubuntu2.11 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.4.0+dfsg1-0ubuntu2 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.4.0+dfsg1-0ubuntu3 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.4.0+dfsg1-0ubuntu4 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.5.0+dfsg1-0ubuntu1 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.5.1+dfsg1-0ubuntu1 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.5.1+dfsg1-0ubuntu1.1 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.5.1+dfsg1-0ubuntu1.2 | vulnerable |
| Ubuntu | freerdp3 | 24.04 | 3.5.1+dfsg1-0ubuntu1.4 | fixed |
| Ubuntu | freerdp3 | 25.10 | 3.14.0+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | freerdp3 | 25.10 | 3.15.0+dfsg-2.1 | vulnerable |
| Ubuntu | freerdp3 | 25.10 | 3.16.0+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | freerdp3 | 25.10 | 3.16.0+dfsg-2 | vulnerable |
| Ubuntu | freerdp3 | 25.10 | 3.16.0+dfsg-2ubuntu0.1 | vulnerable |
| Ubuntu | freerdp3 | 25.10 | 3.16.0+dfsg-2ubuntu0.3 | fixed |
| Ubuntu | freerdp3 | 26.04 | 3.16.0+dfsg-2 | vulnerable |
| Ubuntu | freerdp3 | 26.04 | 3.18.0+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | freerdp3 | 26.04 | 3.19.0+dfsg-1 | vulnerable |
| Ubuntu | freerdp3 | 26.04 | 3.19.1+dfsg-1 | vulnerable |
| Ubuntu | freerdp3 | 26.04 | 3.20.0+dfsg-1 | vulnerable |
| Ubuntu | freerdp3 | 26.04 | 3.20.2+dfsg-1 | fixed |
| Opensuse | freerdp2 | tumbleweed | 2.11.7-6.1 | fixed |
| Suse | freerdp2 | linux enterprise module for package hub 15 sp7 | 2.11.7-150700.3.8.1 | fixed |
| Suse | freerdp2 | linux enterprise workstation extension 15 sp7 | 2.11.7-150700.3.8.1 | fixed |
| Suse | freerdp | linux enterprise module for package hub 15 sp7 | 2.4.0-150400.3.41.1 | fixed |
| Suse | freerdp | linux enterprise server 12 sp5-ltss | 2.1.2-12.57.1 | fixed |
| Suse | freerdp | linux enterprise server ltss extended security 12 sp5 | 2.1.2-12.57.1 | fixed |
| Suse | freerdp | linux enterprise module for package hub 15 sp7 | 2.11.2-150600.4.12.1 | fixed |
| Opensuse | freerdp | leap 15.6 | 2.11.2-150600.4.12.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | freerdp2 | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Ubuntu | freerdp3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | freerdp3-dev | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | freerdp3-shadow-x11 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | freerdp3-wayland | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | freerdp3-x11 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libfreerdp-client3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libfreerdp-server3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libfreerdp-shadow-subsystem3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libfreerdp-shadow3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libfreerdp3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libwinpr-tools3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libwinpr3-3 | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | libwinpr3-dev | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | winpr3-utils | deb | noble | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | Not reported | Not reported |
| Ubuntu | freerdp3 | deb | 24.04 | 3.5.1+dfsg1-0ubuntu1.4 | Not reported | UBUNTU-CVE-2026-22855 | Not reported |
| Ubuntu | freerdp3 | deb | 25.10 | 3.16.0+dfsg-2ubuntu0.3 | Not reported | UBUNTU-CVE-2026-22855 | Not reported |
| Ubuntu | freerdp3 | deb | 26.04 | 3.20.2+dfsg-1 | Not reported | UBUNTU-CVE-2026-22855 | Not reported |
| Opensuse | freerdp2 | rpm | tumbleweed | 2.11.7-6.1 | Not reported | OPENSUSE-SU-2026:10459-1 | Not reported |
| Suse | freerdp2 | rpm | linux enterprise module for package hub 15 sp7 | 2.11.7-150700.3.8.1 | Not reported | SUSE-SU-2026:0683-1 | Not reported |
| Suse | freerdp2 | rpm | linux enterprise workstation extension 15 sp7 | 2.11.7-150700.3.8.1 | Not reported | SUSE-SU-2026:0683-1 | Not reported |
| Suse | freerdp | rpm | linux enterprise module for package hub 15 sp7 | 2.4.0-150400.3.41.1 | Not reported | SUSE-SU-2026:0656-1 | Not reported |
| Suse | freerdp | rpm | linux enterprise server 12 sp5-ltss | 2.1.2-12.57.1 | Not reported | SUSE-SU-2026:0762-1 | Not reported |
| Suse | freerdp | rpm | linux enterprise server ltss extended security 12 sp5 | 2.1.2-12.57.1 | Not reported | SUSE-SU-2026:0762-1 | Not reported |
| Suse | freerdp | rpm | linux enterprise module for package hub 15 sp7 | 2.11.2-150600.4.12.1 | Not reported | SUSE-SU-2026:0761-1 | Not reported |
| Opensuse | freerdp | rpm | leap 15.6 | 2.11.2-150600.4.12.1 | Not reported | SUSE-SU-2026:0761-1 | Not reported |
Notes
[bookworm] freerdp2: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [freerdp2-dev]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [freerdp2-shadow-x11]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [freerdp2-wayland]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [freerdp2-x11]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libfreerdp2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libfreerdp-client2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libfreerdp-server2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libfreerdp-shadow2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libfreerdp-shadow-subsystem2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libuwac0-0]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libuwac0-dev]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libwinpr2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libwinpr2-dev]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [libwinpr-tools2-2]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
- [winpr-utils]Affected
Source package: [freerdp2]
Details (2)
2.11.7+dfsg1-6~deb12u1· amd64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
2.11.7+dfsg1-6~deb12u1· arm64 · bookwormAffected
usn · freerdp2 · debian · bookworm; usn · freerdp2 · debian · 12
[openSUSE Tumbleweed]
- [freerdp2-devel]Unknown
Source package: [freerdp2]
Details (1)
2.11.7-8.4· x86_64 · tumbleweedUnknown · Fixed:
2.11.7-6.1Version impact unknown
usn · freerdp2 · opensuse · tumbleweed
- [freerdp2-proxy]Unknown
Source package: [freerdp2]
Details (1)
2.11.7-8.4· x86_64 · tumbleweedUnknown · Fixed:
2.11.7-6.1Version impact unknown
usn · freerdp2 · opensuse · tumbleweed
- [freerdp2-server]Unknown
Source package: [freerdp2]
Details (1)
2.11.7-8.4· x86_64 · tumbleweedUnknown · Fixed:
2.11.7-6.1Version impact unknown
usn · freerdp2 · opensuse · tumbleweed
- [libfreerdp2-2]Unknown
Source package: [freerdp2]
Details (1)
2.11.7-8.4· x86_64 · tumbleweedUnknown · Fixed:
2.11.7-6.1Version impact unknown
usn · freerdp2 · opensuse · tumbleweed
- [libwinpr2-2]Unknown
Source package: [freerdp2]
Details (1)
2.11.7-8.4· x86_64 · tumbleweedUnknown · Fixed:
2.11.7-6.1Version impact unknown
usn · freerdp2 · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-22855]
- [https://osv.dev/vulnerability/SUSE-SU-2026:0656-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:0683-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:0761-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:0762-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-22855]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10459-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-22855]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22855.json]
- [https://ubuntu.com/security/notices/USN-8105-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0111.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]