Skip to content
Heist/ feed
UnratedFix available

DEBIAN-CVE-2026-35537

Type: advisorySource: OSV1 source record

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-35537

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-35537

roundcube

Source reference: /affected/0/package/name

Affected versions
1.6.1+dfsg-1

Source reference: /affected/0/versions

1.6.2+dfsg-1

Source reference: /affected/0/versions

1.6.3+dfsg-1

Source reference: /affected/0/versions

1.6.3+dfsg-1~deb12u1

Source reference: /affected/0/versions

1.6.3+dfsg-2

Source reference: /affected/0/versions

1.6.4+dfsg-1

Source reference: /affected/0/versions

1.6.4+dfsg-1~deb12u1

Source reference: /affected/0/versions

1.6.5+dfsg-1

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u2

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u3

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u4

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u5

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u6

Source reference: /affected/0/versions

1.6.5+dfsg-1+deb12u7

Source reference: /affected/0/versions

1.6.5+dfsg-1~deb12u1

Source reference: /affected/0/versions

Fixed versions
1.6.5+dfsg-1+deb12u8

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

roundcube

Source reference: /affected/1/package/name

Affected versions
1.6.11+dfsg-1

Source reference: /affected/1/versions

1.6.12+dfsg-0+deb13u1

Source reference: /affected/1/versions

1.6.12+dfsg-1

Source reference: /affected/1/versions

1.6.13+dfsg-0+deb13u1

Source reference: /affected/1/versions

1.6.13+dfsg-1

Source reference: /affected/1/versions

1.6.14+dfsg-1

Source reference: /affected/1/versions

Fixed versions
1.6.15+dfsg-0+deb13u1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

roundcube

Source reference: /affected/2/package/name

Affected versions
1.6.11+dfsg-1

Source reference: /affected/2/versions

1.6.12+dfsg-1

Source reference: /affected/2/versions

1.6.13+dfsg-1

Source reference: /affected/2/versions

Fixed versions
1.6.14+dfsg-1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.6.5+dfsg-1+deb12u8"
          }
        ]
      }
    ],
    "package": {
      "name": "roundcube",
      "purl": "pkg:deb/debian/roundcube?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.6.1+dfsg-1",
      "1.6.2+dfsg-1",
      "1.6.3+dfsg-1",
      "1.6.3+dfsg-1~deb12u1",
      "1.6.3+dfsg-2",
      "1.6.4+dfsg-1",
      "1.6.4+dfsg-1~deb12u1",
      "1.6.5+dfsg-1",
      "1.6.5+dfsg-1+deb12u2",
      "1.6.5+dfsg-1+deb12u3",
      "1.6.5+dfsg-1+deb12u4",
      "1.6.5+dfsg-1+deb12u5",
      "1.6.5+dfsg-1+deb12u6",
      "1.6.5+dfsg-1+deb12u7",
      "1.6.5+dfsg-1~deb12u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35537.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.6.15+dfsg-0+deb13u1"
          }
        ]
      }
    ],
    "package": {
      "name": "roundcube",
      "purl": "pkg:deb/debian/roundcube?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1.6.11+dfsg-1",
      "1.6.12+dfsg-0+deb13u1",
      "1.6.12+dfsg-1",
      "1.6.13+dfsg-0+deb13u1",
      "1.6.13+dfsg-1",
      "1.6.14+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35537.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.6.14+dfsg-1"
          }
        ]
      }
    ],
    "package": {
      "name": "roundcube",
      "purl": "pkg:deb/debian/roundcube?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1.6.11+dfsg-1",
      "1.6.12+dfsg-1",
      "1.6.13+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-35537.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#57558 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement