Skip to content
Fencer Vulns
high 7.5

CVE-2026-24684 json

FreeRDP has a Heap-use-after-free in play_thread

published 2026-02-09 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-6491

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsnd_treat_wave. This vulnerability is fixed in 3.22.0.

Patch / fix

  • freerdp freerdp 3.22.0
  • freerdp3 Debian 13 3.15.0+dfsg-2.1+deb13u1
  • freerdp3 Debian 14 3.22.0+dfsg-1

debian advisories DEBIAN-CVE-2026-24684

  • freerdp2 Ubuntu 22.04 LTS 2.6.1+dfsg1-3ubuntu2.10
  • freerdp3 Ubuntu 24.04 LTS 3.5.1+dfsg1-0ubuntu1.2
  • freerdp3 Ubuntu 25.10 3.16.0+dfsg-2ubuntu0.1
  • freerdp2 Ubuntu Pro 20.04 LTS 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3
  • freerdp2 Ubuntu Pro 24.04 LTS 2.11.5+dfsg1-1ubuntu0.1~esm5

ubuntu advisories UBUNTU-CVE-2026-24684

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 8 2:2.11.7-6.el8_10
  • libwinpr RHEL 8 2:2.11.7-6.el8_10
  • freerdp-libs RHEL 8 2:2.11.7-6.el8_10
  • freerdp RHEL 10.1 2:3.10.3-5.el10_1.5

red hat advisories RHSA-2026:19033RHSA-2026:11323RHSA-2026:10951RHSA-2026:10735RHSA-2026:9640RHSA-2026:9641

  • freerdp2 SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7 2.11.7-150700.3.17.1
  • freerdp SLE Module for Package Hub 15 SP7, openSUSE Leap 15.6 2.11.2-150600.4.21.1
  • freerdp SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7 3.10.3-150700.3.6.1
  • freerdp2 SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7 2.11.7-150700.3.8.1
  • freerdp SLE Module for Package Hub 15 SP7, openSUSE Leap 15.6 2.11.2-150600.4.9.1
  • freerdp SLE Module for Package Hub 15 SP7 2.4.0-150400.3.38.1
  • freerdp SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 2.1.2-12.57.1

suse advisories SUSE-SU-2026:1313-1SUSE-SU-2026:1217-1SUSE-SU-2026:0763-1SUSE-SU-2026:0762-1SUSE-SU-2026:0683-1SUSE-SU-2026:0649-1

  • freerdp openSUSE Leap 16.0 3.22.0-160000.1.1
  • freerdp2 openSUSE Leap 16.0 2.11.7-bp160.2.1
  • freerdp2 openSUSE Tumbleweed 2.11.7-5.1
  • freerdp openSUSE Tumbleweed 3.22.0-1.1

opensuse advisories openSUSE-SU-2026:20339-1openSUSE-SU-2026:20320-1openSUSE-SU-2026:10243-1openSUSE-SU-2026:10132-1

  • freerdp AlmaLinux 10 2:3.10.3-5.el10_1.5
  • libwinpr AlmaLinux 10 2:3.10.3-5.el10_1.5
  • freerdp-libs AlmaLinux 10 2:3.10.3-5.el10_1.5
  • freerdp-server AlmaLinux 10 2:3.10.3-5.el10_1.5
  • freerdp AlmaLinux 8 2:2.11.7-6.el8_10
  • libwinpr AlmaLinux 8 2:2.11.7-6.el8_10
  • freerdp-libs AlmaLinux 8 2:2.11.7-6.el8_10
  • freerdp AlmaLinux 9 2:2.11.7-1.el9_7.5

almalinux advisories ALSA-2026:6799ALSA-2026:6918ALSA-2026:6340

  • freerdp Rocky Linux 10 2:3.10.3-5.el10_1.5
  • freerdp Rocky Linux 8 2:2.11.7-6.el8_10
  • freerdp Rocky Linux 9 2:2.11.7-1.el9_7.5

rocky linux advisories RLSA-2026:6799RLSA-2026:6918RLSA-2026:6340

  • freerdp Alpine 3.24, Alpine 3.23 3.22.0-r0

alpine advisories ALPINE-CVE-2026-24684

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-2026-24684 updated cvss 5.3

freerdp: FreeRDP has a Heap-use-after-free in play_thread

  • Red Hat Enterprise Linux 6 freerdp, freerdp-libs, freerdp-plugins
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder EUS (v.9.4) freerdp-devel 2.11.2-1.el9_4.5, libwinpr-devel 2.11.2-1.el9_4.5, freerdp-debuginfo 2.11.2-1.el9_4.5, libwinpr-debuginfo 2.11.2-1.el9_4.5, freerdp-debugsource 2.11.2-1.el9_4.5, freerdp-libs-debuginfo 2.11.2-1.el9_4.5
    fixed: vendor fix RHSA-2026:6958
  • Red Hat CodeReady Linux Builder EUS (v.9.6) freerdp-devel 2.11.7-1.el9_6.7, libwinpr-devel 2.11.7-1.el9_6.7, freerdp-debuginfo 2.11.7-1.el9_6.7, libwinpr-debuginfo 2.11.7-1.el9_6.7, freerdp-debugsource 2.11.7-1.el9_6.7, freerdp-libs-debuginfo 2.11.7-1.el9_6.7
    fixed: vendor fix RHSA-2026:6727
  • Red Hat Enterprise Linux AppStream (v. 8) freerdp 2.11.7-6.el8_10, libwinpr 2.11.7-6.el8_10, freerdp-libs 2.11.7-6.el8_10
    fixed: vendor fix RHSA-2026:6918
  • Red Hat Enterprise Linux AppStream (v. 9) freerdp 2.11.7-1.el9_7.5, libwinpr 2.11.7-1.el9_7.5, freerdp-libs 2.11.7-1.el9_7.5
    fixed: vendor fix RHSA-2026:6340
  • Red Hat Enterprise Linux AppStream (v. 10) freerdp 3.10.3-5.el10_1.5, freerdp 3.10.3-12.el10_2.2, libwinpr 3.10.3-5.el10_1.5, libwinpr 3.10.3-12.el10_2.2, freerdp-libs 3.10.3-5.el10_1.5, freerdp-libs 3.10.3-12.el10_2.2
    fixed: vendor fix RHSA-2026:6799
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) freerdp 2.2.0-12.el8_4, libwinpr 2.2.0-12.el8_4, freerdp-libs 2.2.0-12.el8_4
    fixed: vendor fix RHSA-2026:10735
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) freerdp 2.2.0-7.el8_6.5, libwinpr 2.2.0-7.el8_6.5, freerdp-libs 2.2.0-7.el8_6.5 Red Hat Enterprise Linux AppStream E4S (v.8.6) freerdp 2.2.0-7.el8_6.5, libwinpr 2.2.0-7.el8_6.5, freerdp-libs 2.2.0-7.el8_6.5
    fixed: vendor fix RHSA-2026:10951
show 14 more
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) freerdp 2.2.0-12.el8_8.5, libwinpr 2.2.0-12.el8_8.5, freerdp-libs 2.2.0-12.el8_8.5
    fixed: vendor fix RHSA-2026:10076
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) freerdp 2.4.1-3.el9_0.4, libwinpr 2.4.1-3.el9_0.4, freerdp-libs 2.4.1-3.el9_0.4
    fixed: vendor fix RHSA-2026:9640
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) freerdp 2.4.1-6.el9_2.6, libwinpr 2.4.1-6.el9_2.6, freerdp-libs 2.4.1-6.el9_2.6
    fixed: vendor fix RHSA-2026:9641
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) freerdp 3.10.3-3.el10_0.5, libwinpr 3.10.3-3.el10_0.5, freerdp-libs 3.10.3-3.el10_0.5
    fixed: vendor fix RHSA-2026:6743
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) freerdp 2.11.2-1.el9_4.5, libwinpr 2.11.2-1.el9_4.5, freerdp-libs 2.11.2-1.el9_4.5
    fixed: vendor fix RHSA-2026:6958
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) freerdp 2.11.7-1.el9_6.7, libwinpr 2.11.7-1.el9_6.7, freerdp-libs 2.11.7-1.el9_6.7
    fixed: vendor fix RHSA-2026:6727
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) freerdp 2.2.0-12.el8_4, libwinpr 2.2.0-12.el8_4, freerdp-libs 2.2.0-12.el8_4
    fixed: vendor fix RHSA-2026:10735
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) freerdp 2.2.0-7.el8_6.5, libwinpr 2.2.0-7.el8_6.5, freerdp-libs 2.2.0-7.el8_6.5
    fixed: vendor fix RHSA-2026:10951
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) freerdp 2.2.0-12.el8_8.5, libwinpr 2.2.0-12.el8_8.5, freerdp-libs 2.2.0-12.el8_8.5
    fixed: vendor fix RHSA-2026:10076
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) freerdp-devel 2.11.7-1.el9_7.5, libwinpr-devel 2.11.7-1.el9_7.5, freerdp-debuginfo 2.11.7-1.el9_7.5, libwinpr-debuginfo 2.11.7-1.el9_7.5, freerdp-debugsource 2.11.7-1.el9_7.5, freerdp-libs-debuginfo 2.11.7-1.el9_7.5
    fixed: vendor fix RHSA-2026:6340
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) freerdp-server 3.10.3-5.el10_1.5, freerdp-server 3.10.3-12.el10_2.2
    fixed: vendor fix RHSA-2026:6799
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) freerdp-server 3.10.3-3.el10_0.5
    fixed: vendor fix RHSA-2026:6743
  • Red Hat Enterprise Linux CRB (v. 8) freerdp-devel 2.11.7-6.el8_10, freerdp-debuginfo 2.11.7-6.el8_10, libwinpr-debuginfo 2.11.7-6.el8_10, freerdp-debugsource 2.11.7-6.el8_10, freerdp-libs-debuginfo 2.11.7-6.el8_10
    fixed: vendor fix RHSA-2026:6918
  • Red Hat Enterprise Linux Server (v. 7 ELS) freerdp 2.1.1-5.el7_9.7, libwinpr 2.1.1-5.el7_9.7, freerdp-libs 2.1.1-5.el7_9.7 Red Hat Enterprise Linux Server Optional (v. 7 ELS) freerdp-devel 2.1.1-5.el7_9.7, libwinpr-devel 2.1.1-5.el7_9.7, freerdp-debuginfo 2.1.1-5.el7_9.7
    fixed: vendor fix RHSA-2026:11323

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

0.60% chance of exploitation in the next 30 days, higher than 48% 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
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

Affected products

  • FreeRDP FreeRDP

Classification

Weakness

References

Sources

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.