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CVE-2024-58266: The shlex crate before 1.2.1 for Rust allows unquoted and unescaped instances of the { and \xa0 characters, wh

25
Routine
LOW 3.2UPGRADE

CVE-2024-58266 is a low-severity flaw (CVSS 3.2) affecting shlex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The shlex crate before 1.2.1 for Rust allows unquoted and unescaped instances of the { and \xa0 characters, which may facilitate command injection.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score3.2 (Low)
Attack vectorLocal
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.8% (top 44%)
CISA exploited listNo
WeaknessCWE-116
Published2025-07-27
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: comex

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

Am I affected?

Timeline

comex shlex UPGRADE
Affected: < 1.2.1
Fixed in: 1.2.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy shlex || rpm -q shlex || shlex --version
2. UPGRADE to 1.2.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade shlex
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade shlex
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-2024-58266?

shlex: upgrade to 1.2.1. Exact commands for each OS are on this page.

Is CVE-2024-58266 being exploited?

CVE-2024-58266 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-2024-58266 affect?

CVE-2024-58266 affects shlex. Severity is low (CVSS 3.2). The shlex crate before 1.2.1 for Rust allows unquoted and unescaped instances of the { and \xa0 characters, which may facilitate command injection.

How urgent is CVE-2024-58266?

Priority 25/100. No elevated risk signals yet.

References

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