CVE-2022-25758

MEDIUMNVD 5.35.3—

5.3

All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 65.8%
KEV: Not listed

Published

July 1, 2022

Last Modified

November 21, 2024

References (6)

report@snykhttps://github.com/sasstools/scss-tokenizer/issues/45
report@snykhttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2936782
report@snykhttps://snyk.io/vuln/SNYK-JS-SCSSTOKENIZER-2339884
af854a3a-2127-422b-91ae-364da2661108https://github.com/sasstools/scss-tokenizer/issues/45
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2936782
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-SCSSTOKENIZER-2339884

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
scss-tokenizer	—	0.4.3	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1333Inefficient Regular Expression Complexity (ReDoS)

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 19:31 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-25758?

CVE-2022-25758 is a medium vulnerability published on July 1, 2022. All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.

When was CVE-2022-25758 disclosed?

CVE-2022-25758 was first published in the National Vulnerability Database on July 1, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-25758 actively exploited?

CVE-2022-25758 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-25758?

CVE-2022-25758 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2022-25758?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-25758, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-25758

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