GHSA-r8j5-h5cx-65gg

ReDOS in IS-SVG

Source: GitHub Advisory Database (reviewed) High CVE-2021-29059

Packages

Ecosystem	Package	Affected	Fixed in
npm	is-svg	>= 2.1.0, < 4.3.0	4.3.0

Details

As written in the advisory (Markdown source, shown as plain text).

A vulnerability was discovered in IS-SVG version 4.3.1 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-29059 advisory
https://github.com/sindresorhus/is-svg/commit/732fc72779840c45a30817d3fe28e12058592b02 web
https://github.com/sindresorhus/is-svg package
https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 web
https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md web
https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js web
https://www.npmjs.com/package/is-svg web