CVE-2026-33985: freerdp Out-of-bounds Read
CVSS: 7.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-33985DEBIAN-CVE-2026-33985
Published 30-03-2026Last modified 31-03-2026
Vulnerability summary
CVE-2026-33985 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in freerdp. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 20 · Related 5MGASA-2026-0383OPENSUSE-SU-2026:10633-1OPENSUSE-SU-2026:21116-1RHSA-2026:16014RHSA-2026:16019RHSA-2026:16482RHSA-2026:16483RHSA-2026:16485RHSA-2026:16777RHSA-2026:16814RHSA-2026:16865RHSA-2026:16866RHSA-2026:19142RHSA-2026:19358RHSA-2026:19811RHSA-2026:20546RHSA-2026:20605SUSE-SU-2026:22194-1SUSE-SU-2026:3562-1USN-8561-1
Timeline
- 30-03-2026PublishedVulnerability first disclosed.
- 31-03-2026Last modifiedVulnerability information updated.
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, pixel data from adjacent heap memory is rendered to screen, potentially leaking sensitive data to the attacker. This issue has been patched in version 3.24.2.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:LSources4 sources · 5.9–7.1
- CVE.orgCNA5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 20-09-2026
20-09-202620-10-2026
EPSS score0.21%
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)
- freerdp2All versions (No fix recorded)
- freerdp3< 3.30.0+dfsg-0ubuntu0.24.04.1 | All versions (No fix recorded)
Debian2 products
- freerdp2All versions (No fix recorded)
- freerdp3< 3.15.0+dfsg-2.1+deb13u2 | < 3.24.2+dfsg-1
Freerdp1 product
- freerdp< 3.24.2
3 vendors · 6 products
References
6 links- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x6gr-8p7h-5h85X Refsource CONFIRMREPORTPatchVendor Advisory
