VulnerabilityModified
CVE-2021-3700
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c.
MEDIUM 6.4EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.4 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- spice-space/usbredir · redhat/enterprise linux · fedoraproject/fedora · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1992830Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831baPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00030.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1992830Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831baPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00030.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.