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CVE Vulnerability Details :
CVE-2026-67296
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-01 Aug, 2026 | 12:22
Updated At-01 Aug, 2026 | 12:22
Rejected At-
▼CVE Numbering Authority (CNA)
FreeRDP before 3.29.0 Denial of Service via RDPEI PDU

FreeRDP before 3.29.0 contains a denial of service vulnerability in the RDPEI server channel handler that fails to validate maximum PDU body length before stream allocation. A malicious RDP client can send a header-only RDPEI message with a large declared body length to force excessive memory allocation on the server.

Affected Products
Vendor
FreeRDPFreeRDP
Product
FreeRDP
Default Status
unaffected
Versions
Affected
  • From 0 before 3.29.0 (semver)
Unaffected
  • 3.29.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-20Improper Input Validation
Type: CWE
CWE ID: CWE-20
Description: Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
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
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
1121984919
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v
vendor-advisory
https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu
third-party-advisory
Hyperlink: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v
Resource:
vendor-advisory
Hyperlink: https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu
Resource:
third-party-advisory
Details not found