CVE-2026-24679: freerdp Heap-based Buffer Overflow
CVSS: 9.1v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2026-24679DEBIAN-CVE-2026-24679
Published 09-02-2026Last modified 10-02-2026
Vulnerability summary
CVE-2026-24679 is a critical (CVSS 9.1) Heap-based Buffer Overflow vulnerability in freerdp. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
0.56%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 25 · Related 10MGASA-2026-0046OPENSUSE-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-2026:0763-1USN-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, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interface. This vulnerability is fixed in 3.22.0.
CVSS metrics
6 scores · 4 sources · 2 versionsHigh 8.7Preferred 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:NSourcesAll 3 agree
- 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
- NVDNIST8.7HighCVSS: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: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
Critical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
+0.05 pp
From 0.51% on 20-09-2026
20-09-202620-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- freerdpAll versions (No fix recorded)
- freerdp2< 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5 | < 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3 | < 2.6.1+dfsg1-3ubuntu2.10 | < 2.11.5+dfsg1-1ubuntu0.1~esm5
- freerdp3< 3.5.1+dfsg1-0ubuntu1.2 | < 3.16.0+dfsg-2ubuntu0.1
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
3 vendors · 6 products
References
6 links- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2jp4-67x6-gv7xX Refsource CONFIRMPatchVendor Advisory
- github.com/FreeRDP/FreeRDP/commit/2d563a50be17c1b407ca448b1321378c0726dd31X Refsource MISCREPORTPatch
