Vulnerability Description
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
CVSS Score
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Roundcube | Webmail | >= 1.6.0, < 1.6.17 |
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf843Patch
- https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cabPatch
- https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486bPatch
- https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028dPatch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.17Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.2Release Notes
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2Vendor Advisory
FAQ
What is CVE-2026-62642?
CVE-2026-62642 is a vulnerability with a CVSS score of 4.3 (MEDIUM). In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
How severe is CVE-2026-62642?
CVE-2026-62642 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-62642?
Check the references section above for vendor advisories and patch information. Affected products include: Roundcube Webmail.