VDB

CVE-2026-24683

CVE-2026-24683 PUBLISHED CVSS 8.7 HIGH

FreeRDP has a heap-use-after-free in ainput_send_input_event

Reported by github_m · Published February 9, 2026

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
libwinprerrata.rockylinux.org2:3.10.3-5.el10_1.5.x86_64, 2:3.10.3-5.el10_1.5.aarch64, 2:2.11.7-6.el8_10.aarch64, 2:2.11.7-1.el9_7.5.x86_64, 2:2.11.7-1.el9_7.5.ppc64le, 2:2.11.7-1.el9_7.5.i686, 2:2.11.7-1.el9_7.5.aarch64
libwinpr-debuginfoerrata.rockylinux.org2:3.10.3-5.el10_1.5.x86_64, 2:3.10.3-5.el10_1.5.ppc64le, 2:2.11.7-1.el9_7.5.s390x
freerdp-develerrata.rockylinux.org2:3.10.3-5.el10_1.5.ppc64le, 2:2.11.7-6.el8_10.x86_64, 2:2.11.7-6.el8_10.i686, 2:2.11.7-1.el9_7.5.x86_64, 2:2.11.7-1.el9_7.5.s390x, 2:2.11.7-1.el9_7.5.i686
freerdp-debuginfoerrata.rockylinux.org2:3.10.3-5.el10_1.5.s390x, 2:3.10.3-5.el10_1.5.aarch64, 2:2.11.7-6.el8_10.x86_64, 2:2.11.7-6.el8_10.i686, 2:2.11.7-1.el9_7.5.ppc64le
freerdperrata.rockylinux.org2:3.10.3-5.el10_1.5.src, 2:3.10.3-5.el10_1.5.s390x, 2:2.11.7-6.el8_10.x86_64, 2:2.11.7-6.el8_10.src, 2:2.11.7-6.el8_10.aarch64, 2:2.11.7-1.el9_7.5.src, 2:2.11.7-1.el9_7.5.s390x
libwinpr-develerrata.rockylinux.org2:3.10.3-5.el10_1.5.ppc64le, 2:2.11.7-6.el8_10.x86_64, 2:2.11.7-6.el8_10.i686, 2:2.11.7-6.el8_10.aarch64, 2:2.11.7-1.el9_7.5.x86_64, 2:2.11.7-1.el9_7.5.ppc64le, 2:2.11.7-1.el9_7.5.i686, 2:2.11.7-1.el9_7.5.aarch64
freerdp-debugsourceerrata.rockylinux.org2:3.10.3-5.el10_1.5.x86_64, 2:3.10.3-5.el10_1.5.s390x, 2:2.11.7-1.el9_7.5.ppc64le
freerdp-libserrata.rockylinux.org2:3.10.3-5.el10_1.5.aarch64, 2:2.11.7-6.el8_10.aarch64, 2:2.11.7-1.el9_7.5.s390x
freerdp-libs-debuginfoerrata.rockylinux.org2:2.11.7-6.el8_10.aarch64, 2:2.11.7-1.el9_7.5.s390x, 2:2.11.7-1.el9_7.5.ppc64le, 2:2.11.7-1.el9_7.5.aarch64
freerdp-server-debuginfoerrata.rockylinux.org2:3.10.3-5.el10_1.5.ppc64le
libwinpr-develAmazon Linux2:3.6.3-1.amzn2023.0.4
freerdp-develAmazon Linux2:2.11.7-1.amzn2.0.5

1 more packages have a fixed version. See every fix in Lookup.

Risk scores

CVSS 4.0
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

VendorProductVersions
FreeRDPFreeRDP< 3.22.0
amazon:2023libwinpr-devel0
amazon:2freerdp-devel0
FreeRDPFreeRDP0
alpinefreerdp0
amazon:2023freerdp0
amazon:2023freerdp-devel0
amazon:2023freerdp-libs0
amazon:2freerdp-libs0
amazon:2freerdp0
amazon:2libwinpr-devel0
amazon:2libwinpr0
amazon:2023freerdp-server0
amazon:2023libwinpr0

Timeline

  • Jan 27, 2026 CVE Published
  • Feb 10, 2026 EPSS Score (30 in total, the first dated here)
  • Feb 10, 2026 PoC Published
  • Feb 10, 2026 CVE Updated
  • Mar 22, 2026 Coalition ESS Score (3 in total, the first dated here)
  • Apr 1, 2026 Distribution Patch (20 in total, the first dated here)
  • Apr 1, 2026 Security Advisory (21 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-24683
vulnetix vdb fixes CVE-2026-24683

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-24683/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›