CVE Catalog

CVE-2025-11468

MediumCVSS 5.7
Published: Updated: Translated: NVD NIST

Summary

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis was not preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.

Risk Assessment

This may allow injection of additional email headers, enabling spoofing, recipient manipulation, or bypassing spam filters.

Recommendation

Update the library to a version containing the fix and ensure sanitization of user-controlled email addresses.

Related vulnerabilities

Original NVD description (English source)

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS