https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-08T15:49:48.200791+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cnvd-2022-62177 cnvd-2022-62177 2026-10-08T15:49:48.204300+00:00 cnvd-2022-62177 https://cve.radiocsirt.org/vuln/euvd-2026-233948 EUVD-2026-233948 2026-10-08T15:49:48.204332+00:00 EUVD-2026-233948 https://cve.radiocsirt.org/vuln/fkie_cve-2022-31103 fkie_cve-2022-31103 2026-10-08T15:49:48.204347+00:00

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.

 https://cve.radiocsirt.org/vuln/ghsa-7r3r-gq8p-v9jj GHSA-7r3r-gq8p-v9jj — Improper handling of CSS at-rules in lettersanitizer 2026-10-08T15:49:48.204376+00:00

Affected: npm: lettersanitizer

### Impact

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.

### Patches

The problem has been patched in version 1.0.2.

### Workarounds

There is no workaround besides upgrading.

### References

The issue was originally reported in the react-letter repository: https://github.com/mat-sz/react-letter/issues/17

### For more information If you have any questions or comments about this advisory: * Open an issue in [lettersanitizer](https://github.com/mat-sz/lettersanitizer/issues) * Email me at [contact@matsz.dev](mailto:contact@matsz.dev)

 https://cve.radiocsirt.org/vuln/gsd-2022-31103 gsd-2022-31103 2026-10-08T15:49:48.204408+00:00 gsd-2022-31103