ubuntu-cve-2026-25916
Vulnerability from osv_ubuntu
Published
2026-02-09 09:16
Modified
2026-06-30 12:03
Summary
Details

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.3.6+dfsg.1-1ubuntu0.1~esm8?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.6+dfsg.1-1ubuntu0.1~esm8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0+dfsg.1-1",
        "1.3.1+dfsg.1-1",
        "1.3.3+dfsg.1-1",
        "1.3.3+dfsg.1-2",
        "1.3.6+dfsg.1-1",
        "1.3.6+dfsg.1-1ubuntu0.1~esm1",
        "1.3.6+dfsg.1-1ubuntu0.1~esm2",
        "1.3.6+dfsg.1-1ubuntu0.1~esm3",
        "1.3.6+dfsg.1-1ubuntu0.1~esm4",
        "1.3.6+dfsg.1-1ubuntu0.1~esm5",
        "1.3.6+dfsg.1-1ubuntu0.1~esm6",
        "1.3.6+dfsg.1-1ubuntu0.1~esm7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.4.3+dfsg.1-1ubuntu0.1~esm8?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.3+dfsg.1-1ubuntu0.1~esm8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.8+dfsg.1-2",
        "1.3.10+dfsg.1-1",
        "1.4.1+dfsg.1-2",
        "1.4.2+dfsg.1-1",
        "1.4.2+dfsg.1-2",
        "1.4.3+dfsg.1-1",
        "1.4.3+dfsg.1-1ubuntu0.1~esm1",
        "1.4.3+dfsg.1-1ubuntu0.1~esm2",
        "1.4.3+dfsg.1-1ubuntu0.1~esm3",
        "1.4.3+dfsg.1-1ubuntu0.1~esm4",
        "1.4.3+dfsg.1-1ubuntu0.1~esm5",
        "1.4.3+dfsg.1-1ubuntu0.1~esm6",
        "1.4.3+dfsg.1-1ubuntu0.1~esm7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.5.0+dfsg.1-2ubuntu0.1~esm6?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.0+dfsg.1-2ubuntu0.1~esm6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.11+dfsg.1-4",
        "1.5.0+dfsg.1-2",
        "1.5.0+dfsg.1-2ubuntu0.1~esm1",
        "1.5.0+dfsg.1-2ubuntu0.1~esm2",
        "1.5.0+dfsg.1-2ubuntu0.1~esm3",
        "1.5.0+dfsg.1-2ubuntu0.1~esm4",
        "1.5.0+dfsg.1-2ubuntu0.1~esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.6.6+dfsg-2ubuntu0.1+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.6.6+dfsg-2ubuntu0.1+esm3?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.6+dfsg-2ubuntu0.1+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.2+dfsg-1",
        "1.6.4+dfsg-1",
        "1.6.5+dfsg-1",
        "1.6.6+dfsg-1",
        "1.6.6+dfsg-2",
        "1.6.6+dfsg-2ubuntu0.1",
        "1.6.6+dfsg-2ubuntu0.1+esm1",
        "1.6.6+dfsg-2ubuntu0.1+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.6.11+dfsg-1"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.6.11+dfsg-1"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.6.11+dfsg-1"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.6.11+dfsg-1"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.6.11+dfsg-1"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.6.11+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.6.11+dfsg-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.10+dfsg-1",
        "1.6.10+dfsg-2",
        "1.6.11+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "roundcube",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "roundcube-core",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "roundcube-mysql",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "roundcube-pgsql",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "roundcube-plugins",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "roundcube-sqlite3",
            "binary_version": "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "roundcube",
        "purl": "pkg:deb/ubuntu/roundcube@1.6.11+dfsg-1ubuntu0.26.04.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.11+dfsg-1",
        "1.6.11+dfsg-1ubuntu0.26.04.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when \"Block remote images\" is used, does not block SVG feImage.",
  "id": "UBUNTU-CVE-2026-25916",
  "modified": "2026-06-30T12:03:05Z",
  "published": "2026-02-09T09:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-25916"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-25916"
    },
    {
      "type": "REPORT",
      "url": "https://roundcube.net/news/2026/02/08/security-updates-1.6.13-and-1.5.13"
    },
    {
      "type": "REPORT",
      "url": "https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/roundcube/roundcubemail/commit/26d7677"
    },
    {
      "type": "REPORT",
      "url": "https://news.ycombinator.com/item?id=46937012"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8223-1"
    }
  ],
  "related": [
    "USN-8223-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-25916"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.