FreeRDP: ClearCodec Glyph Cache Count Desync - Heap OOB Read

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-33985
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-30 22:16:19 UTC
Updated2026-04-01 20:01:13 UTC
DescriptionFreeRDP 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

EPSS: 0.000380000 probability, percentile 0.113880000 (date 2026-04-01)

Problem Types: CWE-125 | CWE-131 | CWE-125 CWE-125: Out-of-bounds Read | CWE-131 CWE-131: Incorrect Calculation of Buffer Size

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
3.1CNADECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Freerdp Freerdp All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA FreeRDP FreeRDP affected < 3.24.2 Not specified

References

ReferenceSourceLinkTags
github.com/FreeRDP/FreeRDP/commit/c49d1ad43b8c7b32794d0250f2623c2dccd7ef25 [email protected] github.com Patch
github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x6gr-8p7h-5h85 [email protected] github.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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