GHSA-2x93-wv63-897rLowCVSS 3.1

An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an...

Published
September 9, 2026
Last Modified
September 9, 2026

🔗 CVE IDs covered (1)

📋 Description

An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an out-of-bounds index. An authenticated user could attempt to download a crafted JMAP blob ID of the form H-, which could read past the end of the internal blob_headers array during download, exposing adjacent heap memory.

🔗 References (6)