CVE-2020-25792: An issue was discovered in the sized-chunks crate through 0.6.2 for Rust

Q: How do I fix CVE-2020-25792?

sized-chunks: upgrade to newer than 0.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2020-25792 being exploited?

CVE-2020-25792 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-2020-25792 affect?

CVE-2020-25792 affects sized-chunks. Severity is high (CVSS 7.5). An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, the array size is not checked when constructed with pair().

Q: How urgent is CVE-2020-25792?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-25792 is a high-severity flaw (CVSS 7.5) affecting sized-chunks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, the array size is not checked when constructed with pair().

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-129
Published	2020-09-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sized-chunks project

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

Am I affected?

Timeline

2020-09-19 21:15 UTCPublished CVE record published
2026-06-17 03:07 UTCUpdated Record last modified

sized-chunks project sized-chunks UPGRADE

Affected: <= 0.6.2

Fixed in: newer than 0.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sized-chunks || rpm -q sized-chunks || sized-chunks --version

2. UPGRADE to newer than 0.6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sized-chunks

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sized-chunks

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-2020-25792?

sized-chunks: upgrade to newer than 0.6.2. Exact commands for each OS are on this page.

Is CVE-2020-25792 being exploited?

CVE-2020-25792 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-2020-25792 affect?

CVE-2020-25792 affects sized-chunks. Severity is high (CVSS 7.5). An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, the array size is not checked when constructed with pair().

How urgent is CVE-2020-25792?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-25796 HIGH 7.5 UPGRADE An issue was discovered in the sized-chunks crate through 0.6.2 for Rust
CVE-2020-25795 HIGH 7.5 UPGRADE An issue was discovered in the sized-chunks crate through 0.6.2 for Rust
CVE-2020-25794 HIGH 7.5 UPGRADE An issue was discovered in the sized-chunks crate through 0.6.2 for Rust
CVE-2020-25793 HIGH 7.5 UPGRADE An issue was discovered in the sized-chunks crate through 0.6.2 for Rust
CVE-2020-25791 HIGH 7.5 UPGRADE An issue was discovered in the sized-chunks crate through 0.6.2 for Rust

References

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