Is CVE-2026-62641 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-62641?

CVE-2026-62641 has a CVSS v3 severity of MEDIUM (4.3).

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Description

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.