CVE catalog

CVE-2021-3700

usbredir: CVE-2021-3700

Severity: Low · CVSS 3.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Published: Feb 24, 2022, 7:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.31% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	usbredir	sid	`0.15.0-1`	fixed
Debian	usbredir	forky	`0.15.0-1`	fixed
Debian	usbredir	trixie	`0.15.0-1`	fixed
Debian	usbredir	bookworm	`0.13.0-2`	fixed
Ubuntu	usbredir	pro	`0.7-1ubuntu2`	vulnerable
Ubuntu	usbredir	pro	`0.7.1-1`	vulnerable
Ubuntu	usbredir	pro	`0.7.1-1ubuntu0.16.04.1~esm1`	fixed
Ubuntu	usbredir	18.04	`0.7.1-1`	vulnerable
Ubuntu	usbredir	18.04	`0.7.1-1ubuntu0.18.04.1`	fixed
Ubuntu	usbredir	20.04	`0.8.0-1`	vulnerable
Ubuntu	usbredir	20.04	`0.8.0-1ubuntu0.1`	fixed
Ubuntu	usbredir	pro	`0.7-1ubuntu2`	vulnerable
Ubuntu	usbredir	pro	`0.7.1-1`	vulnerable
Ubuntu	usbredir	pro	`0.7.1-1ubuntu0.16.04.1~esm1`	fixed
Ubuntu	usbredir	18.04	`0.7.1-1`	vulnerable
Ubuntu	usbredir	18.04	`0.7.1-1ubuntu0.18.04.1`	fixed
Ubuntu	usbredir	20.04	`0.8.0-1`	vulnerable
Ubuntu	usbredir	20.04	`0.8.0-1ubuntu0.1`	fixed
Opensuse	usbredir	tumbleweed	`0.11.0-1.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	usbredir	source	sid	`0.11.0-1`	not yet assigned	Not reported	Not reported
Debian	usbredir	source	forky	`0.11.0-1`	not yet assigned	Not reported	Not reported
Debian	usbredir	source	trixie	`0.11.0-1`	not yet assigned	Not reported	Not reported
Debian	usbredir	source	bookworm	`0.11.0-1`	not yet assigned	Not reported	Not reported
Ubuntu	usbredir	deb	pro	`0.7.1-1ubuntu0.16.04.1~esm1`	Not reported	USN-5784-1	Not reported
Ubuntu	usbredir	deb	18.04	`0.7.1-1ubuntu0.18.04.1`	Not reported	USN-5784-1	Not reported
Ubuntu	usbredir	deb	20.04	`0.8.0-1ubuntu0.1`	Not reported	USN-5784-1	Not reported
Ubuntu	usbredir	deb	pro	`0.7.1-1ubuntu0.16.04.1~esm1`	Not reported	UBUNTU-CVE-2021-3700	Not reported
Ubuntu	usbredir	deb	18.04	`0.7.1-1ubuntu0.18.04.1`	Not reported	UBUNTU-CVE-2021-3700	Not reported
Ubuntu	usbredir	deb	20.04	`0.8.0-1ubuntu0.1`	Not reported	UBUNTU-CVE-2021-3700	Not reported
Opensuse	usbredir	rpm	tumbleweed	`0.11.0-1.2`	Not reported	OPENSUSE-SU-2024:11489-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[libusbredirhost1]Unknown
Source package: [usbredir]
Details (1)
- 0.15.0-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 0.11.0-1.2
  Version impact unknown
  dsa · usbredir · opensuse · tumbleweed
[libusbredirparser1]Unknown
Source package: [usbredir]
Details (1)
- 0.15.0-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 0.11.0-1.2
  Version impact unknown
  dsa · usbredir · opensuse · tumbleweed
[usbredir-devel]Unknown
Source package: [usbredir]
Details (1)
- 0.15.0-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 0.11.0-1.2
  Version impact unknown
  dsa · usbredir · opensuse · tumbleweed
[usbredir]Fixed
Source package: [usbredir]
Details (1)
- 0.15.0-1.1 · x86_64 · tumbleweed
  Fixed · Fixed: 0.11.0-1.2
  dsa · usbredir · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[libusbredirhost1]Fixed
Source package: [usbredir]
Details (2)
- 0.13.0-2 · amd64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
- 0.13.0-2 · arm64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
[libusbredirhost-dev]Fixed
Source package: [usbredir]
Details (2)
- 0.13.0-2 · amd64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
- 0.13.0-2 · arm64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
[libusbredirparser1]Fixed
Source package: [usbredir]
Details (2)
- 0.13.0-2 · amd64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
- 0.13.0-2 · arm64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
[libusbredirparser-dev]Fixed
Source package: [usbredir]
Details (2)
- 0.13.0-2 · amd64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
- 0.13.0-2 · arm64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
[usbredirect]Fixed
Source package: [usbredir]
Details (2)
- 0.13.0-2 · amd64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12
- 0.13.0-2 · arm64 · bookworm
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · bookworm; dsa · usbredir · debian · 12

[Debian 13 (Trixie)]

[libusbredirhost1t64]Fixed
Source package: [usbredir]
Details (2)
- 0.15.0-1 · amd64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
- 0.15.0-1 · arm64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
[libusbredirhost-dev]Fixed
Source package: [usbredir]
Details (2)
- 0.15.0-1 · amd64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
- 0.15.0-1 · arm64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
[libusbredirparser1t64]Fixed
Source package: [usbredir]
Details (2)
- 0.15.0-1 · amd64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
- 0.15.0-1 · arm64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
[libusbredirparser-dev]Fixed
Source package: [usbredir]
Details (2)
- 0.15.0-1 · amd64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
- 0.15.0-1 · arm64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
[usbredirect]Fixed
Source package: [usbredir]
Details (2)
- 0.15.0-1 · amd64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13
- 0.15.0-1 · arm64 · trixie
  Fixed · Fixed: 0.11.0-1
  dsa · usbredir · debian · 13

Observed: Oct 23, 2026, 5:59:08 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]