mat-sz/lettersanitizer · Security
Improper handling of CSS at-rules in lettersanitizer
- GHSA ID
- GHSA-7r3r-gq8p-v9jj
- CVE ID
- CVE-2022-31103
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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, 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
- Email me at [email protected]
CWEs
- CWE-754 · Improper Check for Unusual or Exceptional Conditions
References
- https://github.com/mat-sz/lettersanitizer/security/advisories/GHSA-7r3r-gq8p-v9jj ↗
- https://github.com/mat-sz/react-letter/issues/17 ↗
- https://github.com/mat-sz/lettersanitizer/commit/96d3dfe2ef0465d47324ed4d13e91ba0816a173f ↗
- https://nvd.nist.gov/vuln/detail/CVE-2022-31103 ↗
- https://github.com/advisories/GHSA-7r3r-gq8p-v9jj ↗