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.
Fix
Patch, vendor advisory and mitigation references on NVD 5
- https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89 Patch
- https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193 Patch
- https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38 Patch
- https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0 Patch
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · roundcubeNVD modified 2026-10-24 21:10
Affected (CPE criteria) 1
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
References 7
- https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89 Patch
- https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193 Patch
- https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38 Patch
- https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0 Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 Release Notes
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 Vendor Advisory