PT-2026-58095 · Roundcube · Webmail

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-62641

NVD

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

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.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2026-62641

Affected Products

Webmail

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-62641 · Security Note
• https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 · Note
• https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 · Note
• https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 · Note