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Fedora 43 : roundcubemail (2026-db7e033531)

high Nessus Plugin ID 376324

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-db7e033531 advisory.

 ## Version 1.6.20

 - Security: Fix IMAP command injection via CRLF in `_uid` parameter of mail/headers and mail/viewsource action
 - Security: Fix bug where an alias login wasn't qualified by IMAP host
 - Security: Add a size limit to the CSS proxy content processing
 - Security: Fix SSRF filter (is_local_url()) bypass via NAT64 64:ff9b::/96
 - Security: Fix remote content blocking bypass via SVG SMIL `by` attribute
 - Security: Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again)
 - Security: Fix passing potentally unsafe attachment content into ImageMagick on image resize
 - Security: Fix mail header injection via the From display-name in the Bounce (resend) action
 - Security: Fix mail header injection via References/In-Reply-To/Message-ID/From parameters
 - Security: Fix object injection primitive in rcube_session::unserialize() via !-prefixed session keys
 - Security: Fix ImageMagick resource limits bypass by GD fallback during thumbnail generation
 - Security: Fix CSS scoping bypass in HTML messages using at-rules
 - Security: Fix bug where deprecated action aliases bypassed `disabled_actions` setting
 - Security: Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action
 - Security: Fix CSRF validation bypass in the mark-as-junk action
 - Security: Fix XSS issue in handling of password driver error responses
 - Security: Fix mail header injection via subject of a message forwarded as attachment
 - Security: Fix mail header injection via media type in an inline image data URI
 - Security: Fix bug where Password Modoboa driver could change password for another account
 - Security: Fix unsafe use of a login name in SquirrelMail import file path



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-db7e033531

Plugin Details

Severity: High

ID: 376324

File Name: fedora_2026-db7e033531.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/5/2026

Updated: 11/5/2026

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: 6.9

Percentile: 96.41

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-114732

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

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: 10/27/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-114714, CVE-2026-114716, CVE-2026-114717, CVE-2026-114718, CVE-2026-114719, CVE-2026-114720, CVE-2026-114721, CVE-2026-114722, CVE-2026-114723, CVE-2026-114724, CVE-2026-114725, CVE-2026-114726, CVE-2026-114727, CVE-2026-114728, CVE-2026-114729, CVE-2026-114730, CVE-2026-114732, CVE-2026-47759, CVE-2026-47761, CVE-2026-47762