CVE-2020-26302

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-26302
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26302.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-26302
Aliases
Published
2022-12-22T21:15:08Z
Modified
2025-07-01T11:25:39.526209Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop “forever." This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.

References

Affected packages

Git / github.com/arasatasaygin/is.js

Affected ranges

Type
GIT
Repo
https://github.com/arasatasaygin/is.js
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected

Affected versions

v0.*

v0.2.0
v0.2.1
v0.2.2
v0.2.3
v0.3.0
v0.3.1
v0.4.0
v0.4.1
v0.5.0
v0.5.1
v0.5.2
v0.6.0
v0.7.0
v0.7.1
v0.7.2
v0.7.3
v0.7.4
v0.7.5
v0.7.6
v0.8.0
v0.9.0