PT-2026-67277 · Freerdp · Freerdp

CVE-2026-67297 · Published 2026-08-01 · Updated 2026-08-01

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.29.0

Description The software fails to enforce the RESPONSE SIZE LIMIT when processing HTTP responses using Transfer-Encoding: chunked within the http response recv body() function. An attacker controlling a malicious RD Gateway endpoint can send oversized chunked response bodies to exhaust client memory resources, bypassing the configured size limit.

Recommendations Update to version 3.29.0 or later. As a temporary mitigation, restrict connections to trusted RD Gateway endpoints to prevent interaction with malicious servers.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2026-67297

GHSA-2C6R-4PR4-9X8M

Affected Products

Freerdp

References · 5

• 🔥 https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2c6r-4pr4-9x8m · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67297.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-67297 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-67297 · Security Note
• https://vulncheck.com/advisories/freerdp-before-resource-exhaustion-via-chunked-http-response · Note