High severity7.5OSV Advisory· Published Feb 18, 2021· Updated Jun 17, 2026
CVE-2021-23341
CVE-2021-23341
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
prismjsnpm | < 1.23.0 | 1.23.0 |
Affected products
31.4.0, 1.5.0, 1.5.1, …+ 1 more
- (no CPE)range: 1.4.0, 1.5.0, 1.5.1, …
- cpe:2.3:a:prismjs:prism:*:*:*:*:*:node.js:*:*range: <1.23.0
Patches
Vulnerability mechanics
References
9- github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609nvdPatchThird Party AdvisoryWEB
- github.com/PrismJS/prism/pull/2584nvdPatchThird Party AdvisoryWEB
- github.com/PrismJS/prism/issues/2583nvdExploitPatchThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583nvdExploitThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582nvdExploitThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JS-PRISMJS-1076581nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-h4hr-7fg3-h35wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-23341ghsaADVISORY
- www.npmjs.com/package/prismjsghsaWEB
News mentions
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