CVE-2020-36220: An issue was discovered in the va-ts crate before 0.0.4 for Rust

Q: How do I fix CVE-2020-36220?

va-ts: upgrade to 0.0.4. Exact commands for each OS are on this page.

Q: Is CVE-2020-36220 being exploited?

CVE-2020-36220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-36220 affect?

CVE-2020-36220 affects va-ts. Severity is medium (CVSS 5.9). An issue was discovered in the va-ts crate before 0.0.4 for Rust. Because Demuxer omits a required T: Send bound, a data race and memory corruption can occur.

This week

MEDIUM 5.9REMOTEUPGRADE

CVE-2020-36220 is a medium-severity flaw (CVSS 5.9) affecting va-ts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the va-ts crate before 0.0.4 for Rust. Because Demuxer<T> omits a required T: Send bound, a data race and memory corruption can occur.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-662, CWE-667, CWE-787
Published	2021-01-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: va-ts project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-26 18:15 UTCPublished CVE record published
2026-06-17 03:15 UTCUpdated Record last modified

va-ts project va-ts UPGRADE

Affected: < 0.0.4

Fixed in: 0.0.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy va-ts || rpm -q va-ts || va-ts --version

2. UPGRADE to 0.0.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade va-ts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade va-ts

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-36220?

va-ts: upgrade to 0.0.4. Exact commands for each OS are on this page.

Is CVE-2020-36220 being exploited?

CVE-2020-36220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-36220 affect?

CVE-2020-36220 affects va-ts. Severity is medium (CVSS 5.9). An issue was discovered in the va-ts crate before 0.0.4 for Rust. Because Demuxer<T> omits a required T: Send bound, a data race and memory corruption can occur.

How urgent is CVE-2020-36220?

Priority 45/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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