Unrated severityNVD Advisory· Published Feb 9, 2026· Updated Feb 10, 2026
FreeRDP has a heap-use-after-free in ainput_send_input_event
CVE-2026-24683
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.
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Affected products
17- osv-coords15 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/freerdp2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/freerdp2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/freerdp&distro=openSUSE%20Tumbleweedpkg:rpm/suse/freerdp2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/freerdp2&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 2:2.11.7-1.el9_7.5+ 14 more
- (no CPE)range: < 2:2.11.7-1.el9_7.5
- (no CPE)range: < 2:2.11.7-1.el9_7.5
- (no CPE)range: < 2:2.11.7-1.el9_7.5
- (no CPE)range: < 2:3.10.3-5.el10_1.5
- (no CPE)range: < 2:2.11.7-1.el9_7.5
- (no CPE)range: < 2:2.11.7-1.el9_7.5
- (no CPE)range: < 2.11.7-bp160.2.1
- (no CPE)range: < 2.11.7-5.1
- (no CPE)range: < 2.11.2-150600.4.9.1
- (no CPE)range: < 3.22.0-160000.1.1
- (no CPE)range: < 3.22.0-1.1
- (no CPE)range: < 2.11.7-150700.3.8.1
- (no CPE)range: < 2.11.7-150700.3.8.1
- (no CPE)range: < 2.11.2-150600.4.9.1
- (no CPE)range: < 3.10.3-150700.3.6.1
Patches
Vulnerability mechanics
References
2- github.com/FreeRDP/FreeRDP/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-45pf-68pj-fg8qmitrex_refsource_CONFIRM
News mentions
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