CVE-2026-62641
MEDIUM severity · CVSS 4.3 · Resource exhaustion
4.3CVSS MEDIUM
Summary
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64 ↗
Additional information
- NVD record
- https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64Patch
- https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1Patch
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2Advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.17
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.2