VULNERABILITY INTELLIGENCE
CVE-2023-40181
CVSS score5.3 MEDIUM
EPSS probability1.69%
CISA KEVNot currently listed
Published2023-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemory`, it's possible to read data beyond the transmitted packet range and likely cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
Weakness classification
- security-advisories@github.com: CWE-125
Primary references
- security-advisories@github.com — Issue Tracking
- security-advisories@github.com — Issue Tracking
- security-advisories@github.com — Exploit, Vendor Advisory
- security-advisories@github.com — Mailing List, Third Party Advisory
- security-advisories@github.com — Mailing List
- security-advisories@github.com — Mailing List
- security-advisories@github.com — Mailing List
- security-advisories@github.com
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory