VULNERABILITY INTELLIGENCE

CVE-2021-3700

CVSS score6.4 MEDIUM

EPSS probability0.31%

CISA KEVNot currently listed

Published2022-02-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.

Weakness classification

secalert@redhat.com: CWE-416
nvd@nist.gov: CWE-416

Primary references

secalert@redhat.com — Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com — Patch, Third Party Advisory
secalert@redhat.com — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory