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CVE-2025-11468

Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)
2026-01-20 cna@python.org

Lifecycle Timeline

3
Patch released
Mar 19, 2026 - 11:15 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 20, 2026 - 22:15 nvd
N/A

DescriptionCVE.org

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.

Analysis

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.

Technical ContextAI

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.

Affected ProductsAI

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be use

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2025-11468 vulnerability details – vuln.today

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