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Fedora 43 : roundcubemail (2026-c3351f4ae4)

critical Nessus Plugin ID 327216

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Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-c3351f4ae4 advisory.

 ## Release 1.6.17

 - Enigma: Support automatic public key lookup (import) using HKP v1 protocol (#5314)
 - Enigma: Kolab WOAT Support (#8626)
 - Security: Fix an infinite loop in TNEF (winmail.dat) decoder (#10193)
 - Security: Fix various vulnerabilities in the password plugin using session-injected username
 - Security: Fix stored XSS via unescaped attachment MIME type on the attachment-validation warning page [CVE-2026-54432]
 - Security: Fix SSRF bypass via specific local address URLs - two new cases
 - Security: Fix zero-click stored XSS in plain-text rendering [CVE-2026-54433]
 - Security: Fix DoS via crafted compressed-RTF size in the TNEF (winmail.dat) file



Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected roundcubemail package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-c3351f4ae4

Plugin Details

Severity: Critical

ID: 327216

File Name: fedora_2026-c3351f4ae4.nasl

Version: 1.3

Type: Local

Agent: unix

Published: 7/16/2026

Updated: 7/21/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.11

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-62644

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-62643

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:43, p-cpe:/a:fedoraproject:fedora:roundcubemail

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/7/2026

Vulnerability Publication Date: 7/5/2026

Reference Information

CVE: CVE-2026-54432, CVE-2026-54433, CVE-2026-62641, CVE-2026-62642, CVE-2026-62643, CVE-2026-62644