Description
We found the patch for CVE-2021-43838 in jsx-slack v4.5.1 is insufficient to save from Regular Expression Denial of Service (ReDoS) attack.
This vulnerability affects to jsx-slack v4.5.1 and earlier versions.
Recommendation
Update the jsx-slack package to the latest compatible version. Followings are version details:
- Affected version(s): < 4.5.2
- Patched version(s): 4.5.2
References
Could your website be exposed too?
SmartScanner can check your website for jsx-slack insufficient patch for CVE-2021-43838 ReDoS and gives you actionable findings to investigate.
Start a free scanRelated Issues
- Regular Expression Denial of Service (ReDoS) in jsx-slack - CVE-2021-43838
- Regular Expression Denial of Service (REDoS) in Marked - CVE-2021-21306
- Regular Expression Denial of Service (ReDoS) in Prism - CVE-2021-32723
- Regular Expression Denial of Service (ReDoS) - ssri - CVE-2021-27290


