Regular Expression Denial of Service in djvalidator

Description

All versions of package djvalidator are vulnerable to Regular Expression Denial of Service (ReDoS) by sending crafted invalid emails - for example, --@------------------------------------------------------------------------------------------------------------------------!.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 1.1.1

References

• GHSA-v6wh-2wvh-c8x5
• snyk.io
• CVE-2020-7779
• CWE-400
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Atro CSRF Middleware Bypass (security.checkOrigin) - CVE-2024-56140
• SillyTavern Web Interface Vulnerable DNS Rebinding - CVE-2025-59159
• Prototype Pollution in lodash (GHSA-p6mc-m468-83gw) - CVE-2020-8203
• Better Call routing bug can lead to Cache Deception - Vulnerability

Tags:

npm

djvalidator