What is CVE-2026-31884?

CVE-2026-31884 is a medium-severity vulnerability in Freerdp, classified under Divide By Zero. CVSS score: 6.5/10. Published 2026-03-13.

How severe is CVE-2026-31884?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Freerdp

CVE-2026-31884

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % bloc…

EPSS: 0.001 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Freerdp — versions < 3.24.0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jp7m-94ww-p56r (x_refsource_CONFIRM)
https://github.com/FreeRDP/FreeRDP/commit/03b48b3601d867afccac1cdc6081de7a275edce7 (x_refsource_MISC)
https://github.com/FreeRDP/FreeRDP/commit/16df2300e1e3f5a51f68fb1626429e58b531b7c8 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-31884?: CVE-2026-31884 is a medium-severity vulnerability in Freerdp, classified under Divide By Zero. CVSS score: 6.5/10. Published 2026-03-13.
How severe is CVE-2026-31884?: Medium severity. CVSS v3 base score is 6.5 out of 10.