Critical severity9.1OSV Advisory· Published Jan 14, 2026· Updated Jul 15, 2026
CVE-2026-22855
CVE-2026-22855
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19- osv-coords16 versionspkg:rpm/almalinux/freerdppkg:rpm/almalinux/freerdp-develpkg:rpm/almalinux/freerdp-libspkg:rpm/almalinux/freerdp-serverpkg:rpm/almalinux/libwinprpkg:rpm/almalinux/libwinpr-develpkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/freerdp&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/freerdp2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/freerdp2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/freerdp2&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 2:2.11.7-1.el9_7.2+ 15 more
- (no CPE)range: < 2:2.11.7-1.el9_7.2
- (no CPE)range: < 2:2.11.7-1.el9_7.2
- (no CPE)range: < 2:2.11.7-1.el9_7.2
- (no CPE)range: < 2:3.10.3-5.el10_1.2
- (no CPE)range: < 2:2.11.7-1.el9_7.2
- (no CPE)range: < 2:2.11.7-1.el9_7.2
- (no CPE)range: < 2.11.2-150600.4.12.1
- (no CPE)range: < 3.22.0-160000.1.1
- (no CPE)range: < 3.20.2-1.1
- (no CPE)range: < 2.11.7-6.1
- (no CPE)range: < 2.11.2-150600.4.12.1
- (no CPE)range: < 2.1.2-12.57.1
- (no CPE)range: < 2.1.2-12.57.1
- (no CPE)range: < 3.10.3-150700.3.3.1
- (no CPE)range: < 2.11.7-150700.3.8.1
- (no CPE)range: < 2.11.7-150700.3.8.1
Patches
Vulnerability mechanics
References
18- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9nvdExploitVendor Advisory
- github.com/FreeRDP/FreeRDP/releases/tag/3.20.1nvdRelease Notes
- access.redhat.com/errata/RHSA-2026:19033nvd
- access.redhat.com/errata/RHSA-2026:3067nvd
- access.redhat.com/errata/RHSA-2026:3068nvd
- access.redhat.com/errata/RHSA-2026:3334nvd
- access.redhat.com/errata/RHSA-2026:3975nvd
- access.redhat.com/errata/RHSA-2026:4121nvd
- access.redhat.com/errata/RHSA-2026:4437nvd
- access.redhat.com/errata/RHSA-2026:4438nvd
- access.redhat.com/errata/RHSA-2026:4439nvd
- access.redhat.com/errata/RHSA-2026:4440nvd
- access.redhat.com/errata/RHSA-2026:4446nvd
- access.redhat.com/errata/RHSA-2026:4471nvd
- access.redhat.com/errata/RHSA-2026:4489nvd
- access.redhat.com/security/cve/CVE-2026-22855nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22855.jsonnvd
News mentions
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