What’s Vulnerable › Vulnerabilities

CVE-2021-4306: cronvel terminal-kit redos

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-07 · updated 2026-06-17
• Weakness: CWE-1333

Description

A vulnerability classified as problematic has been found in cronvel terminal-kit up to 2.1.7. Affected is an unknown function. The manipulation leads to inefficient regular expression complexity. Upgrading to version 2.1.8 is able to address this issue. The name of the patch is a2e446cc3927b559d0281683feb9b821e83b758c. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217620.

Affected products

• cronvel terminal-kit: before 2.1.8 — fixed in 2.1.8

How to fix

Upgrade to a fixed version: cronvel terminal-kit 2.1.8. Check the vendor advisory for mitigations.

References

• https://github.com/cronvel/terminal-kit/commit/a2e446cc3927b559d0281683feb9b821e83b758c
• https://github.com/cronvel/terminal-kit/releases/tag/v2.1.8
• https://vuldb.com/?ctiid.217620
• https://vuldb.com/?id.217620
• https://github.com/cronvel/terminal-kit/commit/a2e446cc3927b559d0281683feb9b821e83b758c
• https://github.com/cronvel/terminal-kit/releases/tag/v2.1.8
• https://vuldb.com/?ctiid.217620
• https://vuldb.com/?id.217620

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