[SECURITY] [DLA 4760-1] roundcube security update

Debian LTS Advisory DLA-4760-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin August 29, 2026 https://wiki.debian.org/LTS Package : roundcube Version : 1.4.15+dfsg.1-1+deb11u11 1.6.5+dfsg-1+deb12u11 CVE ID : CVE-2026-74997 CVE-2026-74998 CVE-2026-74999...

Debian dla-4760 : roundcube - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4760 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4760-1 [email protected]...

CVE-2026-74998

A flaw was found in Roundcube Webmail. Responses from the Cascading Style Sheets CSS proxy were not properly validated. This could allow a remote attacker to exploit MIME sniffing vulnerabilities, resulting in information disclosure or Cross-Site Scripting XSS...

CVE-2026-74997

A flaw was found in Roundcube Webmail. The cmdlearn driver of the markasjunk plugin is vulnerable to remote code execution via crafted placeholder replacement values...

[SECURITY] Fedora 43 Update: roundcubemail-1.6.18-1.fc43

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

[SECURITY] Fedora 44 Update: roundcubemail-1.7.3-1.fc44

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

Fedora 43 : roundcubemail (2026-914a40b4fd)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-914a40b4fd advisory. Release 1.6.18 - Password: Fix fatal error Class 'Zxcvbn' not found 10274 - Fix out-of-bounds string reads on truncated compressed-RTF in the TNEF...

Fedora 44 : roundcubemail (2026-2aa96a9ce5)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2aa96a9ce5 advisory. Release 1.7.3 - OAuth: Don't log an error when a refreshed token's TTL is below refreshinterval 10213 - Fix out-of-bounds string reads on truncated...

SUSE CVE-2026-74997

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmdlearn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmdlearn driver...

SUSE CVE-2026-74998

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS Cascading Style Sheets proxy were not validated, which may result in information disclosure or XSS cross-site scripting via MIME sniffing...

SUSE CVE-2026-74999

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS...

SUSE CVE-2026-75000

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation...

SUSE CVE-2026-75002

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection...

SUSE CVE-2026-75003

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation...

SUSE CVE-2026-75004

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesievedisabledactions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin...

SUSE CVE-2026-75006

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets CSS sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for...

SUSE CVE-2026-75007

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation...

SUSE CVE-2026-75010

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password plugin could leak a Modoboa API authentication token to a user-controlled host via crafted session data. This issue only affects Roundcube instances using the password plugin with its modoboa driver...

Linux Distros Unpatched Vulnerability : CVE-2026-75004

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesievedisabledactions setting bypass via a crafted rule...

Linux Distros Unpatched Vulnerability : CVE-2026-74999

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the Add to address book action was subject to stored XSS. CVE-2026-74999 Note that Nessus relies on t...