cvedb.io
CVE-2022-31103
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2022-06-27T23:15:08.170 · Last modified 2026-06-17T04:44:48.233

Summary

lettersanitizer is a DOM-based HTML email sanitizer for in-browser email rendering. All versions of lettersanitizer below 1.0.2 are affected by a denial of service issue when processing a CSS at-rule `@keyframes`. This package is depended on by [react-letter](https://github.com/mat-sz/react-letter), therefore everyone using react-letter is also at risk. The problem has been patched in version 1.0.2.

Affected products

lettersanitizer_project — lettersanitizer

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.