CVE-2026-24491: freerdp Use After Free
CVSS: 7.7v4.0HighAnalyzed
AliasesSUSE-SU-2026:0902-1SUSE-SU-2026:0933-1SUSE-SU-2026:0968-1SUSE-SU-2026:0969-1UBUNTU-CVE-2026-24491DEBIAN-CVE-2026-24491
Published 09-02-2026Last modified 10-02-2026
Vulnerability summary
CVE-2026-24491 is a high (CVSS 7.7) Use After Free vulnerability in freerdp. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.7% of scored vulnerabilities.
CVSS score
7.7/10
010
High · v4.0 (CVE.org)EPSS score
0.53%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 27 · Related 11MGASA-2026-0046MGASA-2026-0086OPENSUSE-SU-2026:10132-1OPENSUSE-SU-2026:10243-1OPENSUSE-SU-2026:20320-1OPENSUSE-SU-2026:20339-1RHSA-2026:10076RHSA-2026:10734RHSA-2026:10735RHSA-2026:10951RHSA-2026:11323RHSA-2026:19033RHSA-2026:6340RHSA-2026:6727RHSA-2026:6743RHSA-2026:6799RHSA-2026:6918RHSA-2026:6958RHSA-2026:9640RHSA-2026:9641SUSE-SU-2026:0621-1SUSE-SU-2026:0649-1SUSE-SU-2026:0683-1SUSE-SU-2026:0762-1SUSE-SU-2026:0763-1SUSE-SU-2026:1398-1USN-8042-1
Timeline
- 09-02-2026PublishedVulnerability first disclosed.
- 10-02-2026Last modifiedVulnerability information updated.
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
CVSS metrics
6 scores · 4 sources · 2 versionsHigh 7.7Preferred score · CVE.org (CNA)
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:PSources3 sources · 7.7–8.7
- OSV · UbuntuEcosystem advisory · calculated8.7HighCVSS: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:PDiffers
- NVDNIST7.7HighCVSS: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:P/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
High 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
+0.04 pp
From 0.48% on 20-09-2026
20-09-202620-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse5 products
- freerdp2&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 2.11.7-150700.3.11.1
- freerdp2&distro=SUSE Linux Enterprise Workstation Extension 15 SP7< 2.11.7-150700.3.11.1
- freerdp&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 2.4.0-150400.3.44.1 | < 2.11.2-150600.4.15.1
- freerdp&distro=SUSE Linux Enterprise Server 12 SP5-LTSS< 2.1.2-12.60.1
- freerdp&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5< 2.1.2-12.60.1
Debian2 products
- freerdp2All versions (No fix recorded)
- freerdp3< 3.15.0+dfsg-2.1+deb13u1 | < 3.22.0+dfsg-1
Freerdp1 product
- freerdp< 3.22.0
Opensuse1 product
- freerdp&distro=openSUSE Leap 15.6< 2.11.2-150600.4.15.1
Ubuntu1 product
- freerdp3< 3.5.1+dfsg1-0ubuntu1.2 | < 3.16.0+dfsg-2ubuntu0.1
5 vendors · 10 products
References
13 links- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4x6j-w49r-869gX Refsource CONFIRMPatchVendor Advisory
- github.com/FreeRDP/FreeRDP/commit/e02e052f6692550e539d10f99de9c35a23492db2X Refsource MISCREPORTPatch
