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Medium severity5.3NVD Advisory· Published Apr 28, 2021· Updated Jun 17, 2026

CVE-2021-23364

CVE-2021-23364

Description

The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

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
browserslistnpm	>= 4.0.0, < 4.16.5	4.16.5

Affected products

6

browserslist/browserslistdescription
osv-coords5 versions
pkg:apk/chainguard/py3.10-captum pkg:apk/chainguard/py3.11-captum pkg:apk/chainguard/py3.12-captum pkg:apk/chainguard/py3.13-captum pkg:npm/browserslist
< 0.9.0-r1+ 4 more
- (no CPE)range: < 0.9.0-r1
- (no CPE)range: < 0.9.0-r1
- (no CPE)range: < 0.9.0-r1
- (no CPE)range: < 0.9.0-r1
- (no CPE)range: >= 4.0.0, < 4.16.5

Patches

Vulnerability mechanics

References

7

github.com/browserslist/browserslist/commit/c091916910dfe0b5fd61caad96083c6709b02d98nvdPatchThird Party AdvisoryWEB
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1277182nvdExploitPatchThird Party AdvisoryWEB
snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194nvdExploitPatchThird Party AdvisoryWEB
github.com/advisories/GHSA-w8qv-6jwh-64r5ghsaADVISORY
github.com/browserslist/browserslist/pull/593nvdThird Party AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2021-23364ghsaADVISORY
github.com/browserslist/browserslist/blob/e82f32d1d4100d6bc79ea0b6b6a2d281a561e33c/index.js%23L472-L474nvdBroken LinkWEB

News mentions

0

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