CVE-2022-31103 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00409.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Lettersanitizer Project	Lettersanitizer

Configuration 1 [-]

cpe:2.3:a:lettersanitizer_project:lettersanitizer:*:*:*:*:*:node.js:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/mat-sz/lettersanitizer/commit/96d3dfe2ef0465d47324ed4d13e91ba0816a173f
https://github.com/mat-sz/lettersanitizer/security/advisories/GHSA-7r3r-gq8p-v9jj
https://github.com/mat-sz/react-letter/issues/17

History

Wed, 23 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-06-27T22:20:16.000Z

Updated: 2025-04-23T18:06:15.856Z

Reserved: 2022-05-18T00:00:00.000Z

Link: CVE-2022-31103

Vulnrichment

Updated: 2024-08-03T07:11:39.037Z

NVD

Status : Modified

Published: 2022-06-27T23:15:08.170

Modified: 2024-11-21T07:03:54.013

Link: CVE-2022-31103

Redhat

No data.

OpenCVE Enrichment

No data.

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