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High 7.5Published Sep 17, 2021
CVE-2021-3807Inefficient Regular Expression Complexity in chalk/ansi-regex
Updated under an hour ago ()
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It affects chalk/ansi-regex and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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ansi-regex is vulnerable to Inefficient Regular Expression Complexity
- CVSS
- 7.5 HIGH (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-1333
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- @huntrdev
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
chalk chalk/ansi-regex chalk:ansi_regex (from the name) | from unspecified before 6.0.1; from unspecified before 5.0.1; 5.0.1 not affected | CNA record |
ansi-regex_project ansi-regex ansi-regex_project:ansi-regex | from 4.0.0 before 4.1.1; 3.0.0; 5.0.0; 6.0.0 | NVD |
oracle communications_cloud_native_core_policy oracle:communications_cloud_native_core_policy | 1.15.0 | NVD |
References
- https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994
- https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20221014-0002/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.