CVE-2021-29059

Public Exploit

Description

A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.82% Top 15%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.npmjs.com/package/is-svg product
https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js third party advisory
https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 third party advisory release notes
https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-29059?
CVE-2021-29059 has been scored as a high severity vulnerability.
How to fix CVE-2021-29059?
To fix CVE-2021-29059, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29059 being actively exploited in the wild?
It is possible that CVE-2021-29059 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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