CVE-2026-109679

medium

Description

FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.

References

Advisories
More

https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98701

Details

Source: Mitre, NVD

Published: 2026-10-13

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium

CVSS v4

Base Score: 6

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00266