CVE-2026-62642
MEDIUM
6.5
CVSS Score
Published: July 14, 2026 at 03:49 PM UTC
Updated: October 24, 2026 at 09:10 PM UTC
1 product affected across 1 vendorWebmail
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 1.6.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.7.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89
- https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193
- https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38
- https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2
References (7)
Release Notes
Source: [email protected]
https://github.com/roundcube/roundcubemail/releases/tag/1.6.17Vendor Advisory
Source: [email protected]
https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-835
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