ubuntu-cve-2025-45663
Vulnerability from osv_ubuntu
Published
2025-11-03 15:15
Modified
2026-05-20 15:22
Summary
Details

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf",
            "binary_version": "3.2+dfsg-2.2build1"
          },
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.2+dfsg-2.2build1"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.2+dfsg-2.2build1"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.2+dfsg-2.2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.2+dfsg-2.2build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2+dfsg-2.2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf",
            "binary_version": "3.6-3.2"
          },
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.6-3.2"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.6-3.2"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.6-3.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.6-3.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6-3.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.10-1build1"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.10-1build1"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.10-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.10-1build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.10-1",
        "3.10-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.11-1build5"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.11-1build5"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.11-1build5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.11-1build5?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.10-3.1",
        "3.11-1",
        "3.11-1build4",
        "3.11-1build5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.11-2"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.11-2"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.11-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.11-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.11-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "netsurf-common",
            "binary_version": "3.11-3"
          },
          {
            "binary_name": "netsurf-fb",
            "binary_version": "3.11-3"
          },
          {
            "binary_name": "netsurf-gtk",
            "binary_version": "3.11-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "netsurf",
        "purl": "pkg:deb/ubuntu/netsurf@3.11-3?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.11-2",
        "3.11-3"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.",
  "id": "UBUNTU-CVE-2025-45663",
  "modified": "2026-05-20T15:22:52Z",
  "published": "2025-11-03T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-45663"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-45663"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/netsurf-browser/libdom/commit/9ea069f36e5de5f52d7155a71e2d536eb94de141"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-45663"
  ]
}



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