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Status published
High
CVE-2021-23341
Regular Expression Denial of Service (ReDoS)
Vulnerability Description
The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Yeting Li
References
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583
- https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609
- https://github.com/PrismJS/prism/issues/2583
- https://github.com/PrismJS/prism/pull/2584
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Affected Vendor
Affected Software
prismjs
Vulnerable Versions:
unspecified
Timeline
Official Publish:
February 18th, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.