CVE-2026-24683
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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| libwinpr | errata.rockylinux.org | 2:3.10.3-5.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-debuginfo | errata.rockylinux.org | 2:3.10.3-5.el10_1.5.x86_64, 2:3.10.3-5.el10_1.5.ppc64le, 2:2.11.7-1.el9_7.5.s390x |
| freerdp-devel | errata.rockylinux.org | 2:3.10.3-5.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-debuginfo | errata.rockylinux.org | 2:3.10.3-5.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 |
| freerdp | errata.rockylinux.org | 2:3.10.3-5.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-devel | errata.rockylinux.org | 2:3.10.3-5.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-debugsource | errata.rockylinux.org | 2:3.10.3-5.el10_1.5.x86_64, 2:3.10.3-5.el10_1.5.s390x, 2:2.11.7-1.el9_7.5.ppc64le |
| freerdp-libs | errata.rockylinux.org | 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.s390x |
| freerdp-libs-debuginfo | errata.rockylinux.org | 2:2.11.7-6.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-debuginfo | errata.rockylinux.org | 2:3.10.3-5.el10_1.5.ppc64le |
| libwinpr-devel | Amazon Linux | 2:3.6.3-1.amzn2023.0.4 |
| freerdp-devel | Amazon Linux | 2:2.11.7-1.amzn2.0.5 |
1 more packages have a fixed version. See every fix in Lookup.
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| FreeRDP | FreeRDP | < 3.22.0 |
| amazon:2023 | libwinpr-devel | 0 |
| amazon:2 | freerdp-devel | 0 |
| FreeRDP | FreeRDP | 0 |
| alpine | freerdp | 0 |
| amazon:2023 | freerdp | 0 |
| amazon:2023 | freerdp-devel | 0 |
| amazon:2023 | freerdp-libs | 0 |
| amazon:2 | freerdp-libs | 0 |
| amazon:2 | freerdp | 0 |
| amazon:2 | libwinpr-devel | 0 |
| amazon:2 | libwinpr | 0 |
| amazon:2023 | freerdp-server | 0 |
| amazon:2023 | libwinpr | 0 |
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
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vulnetix vdb vuln CVE-2026-24683
vulnetix vdb fixes CVE-2026-24683
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"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-24683/fixes/registry"
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