CVE-2026-24678 json
FreeRDP has a Heap-use-after-free in cam_v4l_stream_capture_thread
published 2026-02-09 8 mo ago modified 2026-07-15 3 mo ago also EUVD-2026-6485
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.
Patch / fix
- Red Hat Red Hat Enterprise Linux 10 2:3.10.3-5.el10_1.2, 2:3.10.3-12.el10_2.2
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 2:3.10.3-3.el10_0.2
- freerdp3 Debian 13 3.15.0+dfsg-2.1+deb13u1
- freerdp3 Debian 14 3.22.0+dfsg-1
debian advisories DEBIAN-CVE-2026-24678
- freerdp3 Ubuntu 25.10 3.16.0+dfsg-2ubuntu0.1
ubuntu advisories UBUNTU-CVE-2026-24678
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- freerdp RHEL 10.2 2:3.10.3-12.el10_2.2
- libwinpr RHEL 10.2 2:3.10.3-12.el10_2.2
- freerdp-libs RHEL 10.2 2:3.10.3-12.el10_2.2
- freerdp-server RHEL 10.2 2:3.10.3-12.el10_2.2
- freerdp RHEL 10.1 2:3.10.3-5.el10_1.2
- libwinpr RHEL 10.1 2:3.10.3-5.el10_1.2
- freerdp-libs RHEL 10.1 2:3.10.3-5.el10_1.2
- freerdp-server RHEL 10.1 2:3.10.3-5.el10_1.2
red hat advisories RHSA-2026:19033RHSA-2026:4121RHSA-2026:3068
- freerdp SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7 3.10.3-150700.3.6.1
suse advisories SUSE-SU-2026:0763-1
- freerdp openSUSE Leap 16.0 3.22.0-160000.1.1
- freerdp openSUSE Tumbleweed 3.22.0-1.1
opensuse advisories openSUSE-SU-2026:20339-1openSUSE-SU-2026:10132-1
- freerdp AlmaLinux 10 2:3.10.3-5.el10_1.2
- libwinpr AlmaLinux 10 2:3.10.3-5.el10_1.2
- freerdp-libs AlmaLinux 10 2:3.10.3-5.el10_1.2
- freerdp-server AlmaLinux 10 2:3.10.3-5.el10_1.2
almalinux advisories ALSA-2026:3068
- freerdp Rocky Linux 10 2:3.10.3-5.el10_1.2
rocky linux advisories RLSA-2026:3068
- freerdp Alpine 3.24, Alpine 3.23 3.22.0-r0
alpine advisories ALPINE-CVE-2026-24678
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-24678 updated cvss 5.3
freerdp: FreeRDP: Denial of Service via use after free in ecam_channel_write
-
Red Hat Enterprise Linux 6 freerdp, freerdp-libs, freerdp-pluginsaffected: workaround, no fix planned “Will not fix”
-
Red Hat Enterprise Linux AppStream (v. 10) freerdp 3.10.3-5.el10_1.2, freerdp 3.10.3-12.el10_2.2, libwinpr 3.10.3-5.el10_1.2, libwinpr 3.10.3-12.el10_2.2, freerdp-libs 3.10.3-5.el10_1.2, freerdp-libs 3.10.3-12.el10_2.2fixed: vendor fix RHSA-2026:3068
-
Red Hat Enterprise Linux AppStream EUS (v. 10.0) freerdp 3.10.3-3.el10_0.2, libwinpr 3.10.3-3.el10_0.2, freerdp-libs 3.10.3-3.el10_0.2fixed: vendor fix RHSA-2026:4121
-
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) freerdp-server 3.10.3-5.el10_1.2, freerdp-server 3.10.3-12.el10_2.2fixed: vendor fix RHSA-2026:3068
-
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) freerdp-server 3.10.3-3.el10_0.2fixed: vendor fix RHSA-2026:4121
-
Red Hat Enterprise Linux 7 freerdp, libwinpr, freerdp-libs, freerdp-plugins Red Hat Enterprise Linux 8 freerdp, libwinpr, freerdp-libs Red Hat Enterprise Linux 9 freerdp, libwinpr, freerdp-libsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 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 |
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| CNA | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected products
- FreeRDP FreeRDP
- Red Hat Red Hat Enterprise Linux 10
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Red Hat Enterprise Linux 6
- Red Hat Red Hat Enterprise Linux 7
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 9
Classification
References
-
github.com
/FreeRDP/FreeRDP/commit/f3ab1a16139036179d9852745fdade18fec11600
patch
-
github.com
/FreeRDP/FreeRDP/security/advisories/GHSA-6gvg-29wx-6v7h
patch, vendor-advisory
-
access.redhat.com
/errata/RHSA-2026:4121
vendor-advisory
-
access.redhat.com
/errata/RHSA-2026:3068
vendor-advisory
-
access.redhat.com
/errata/RHSA-2026:19033
vendor-advisory
-
access.redhat.com
/security/cve/CVE-2026-24678
vdb-entry
-
bugzilla.redhat.com
/show_bug.cgi?id=2438197
issue-tracking
- security.access.redhat.com /data/csaf/v2/vex/2026/cve-2026-24678.json
Sources
- CVE List CVE-2026-24678
- NVD CVE-2026-24678
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.