email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when
serializing an email message allowing for header injection when an email
is serialized. This is only applicable if using "LiteralHeader" writing headers that don't respect email folding rules, the new behavior will reject the incorrectly folded headers in "BytesGenerator".
Metrics
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Sat, 24 Jan 2026 02:15:00 +0900
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ssvc
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Sat, 24 Jan 2026 01:45:00 +0900
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if using "LiteralHeader" writing headers that don't respect email folding rules, the new behavior will reject the incorrectly folded headers in "BytesGenerator". | |
| Title | email BytesGenerator header injection due to unquoted newlines | |
| Weaknesses | CWE-93 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: PSF
Published:
Updated: 2026-01-23T16:56:22.155Z
Reserved: 2026-01-21T18:30:52.594Z
Link: CVE-2026-1299
Updated: 2026-01-23T16:56:16.248Z
Status : Received
Published: 2026-01-23T17:16:12.977
Modified: 2026-01-23T17:16:12.977
Link: CVE-2026-1299
No data.
OpenCVE Enrichment
No data.