Vulnerability in Terser
CVE-2022-25858
The package terser before 4.8.1, from 5.0.0 and before 5.14.2 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure usage of regular expressions.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.032 (87.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.032 · change: +0.002
Affected products
- Terser
- Terser — versions unspecified, 5.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-TERSER-2806366 (Exploit, Patch, Third Party Advisory)
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2949722 (Exploit, Patch, Third Party Advisory)
- github.com/terser/terser/blob/master/lib/compress/evaluate.js#L135 (Broken Link)
- github.com/terser/terser/commit/a4da7349fdc92c05094f41d33d06d8cd4e90e76b (Patch, Third Party Advisory)
- github.com/terser/terser/commit/d8cc5691be980d663c29cc4d5ce67e852d597012 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-25858?
- CVE-2022-25858 is a medium-severity vulnerability in Terser, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2022-07-15.
- How severe is CVE-2022-25858?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2022-25858 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.