We just published security updates to the 1.6 and 1.5 LTS versions of Roundcube Webmail, as well as a release candidate for coming 1.7. They contain fixes for recently reported set of security vulnerabilities.

## Security fixes

• Fix pre-auth arbitrary file write via unsafe deserialization in

redis/memcache session handler, reported by y0us.

• Fix bug where a password could get changed without providing the old

password, reported by flydragon777.

• Fix IMAP Injection + CSRF bypass in mail search, reported by Martila

Security Research Team.

• Fix remote image blocking bypass via various SVG animate attributes,

reported by nullcathedral.

• Fix remote image blocking bypass via a crafted body background

attribute, reported by nullcathedral.

• Fix fixed position mitigation bypass via use of !important, reported

by nullcathedral.

• Fix XSS issue in a HTML attachment preview, reported by aikido_security.
• Fix SSRF + Information Disclosure via stylesheet links to a local

network hosts, reported by Georgios Tsimpidas (aka Frey), Security Researcher at https://i0.rs/.

See the full changelogs in the release notes on the Github download pages for the updated versions

• https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
• https://github.com/roundcube/roundcubemail/releases/tag/1.5.14

We strongly recommend to update your productive installations of Roundcube with this new versions.