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DEBIAN-CVE-2026-49978

Type: advisorySource: OSV1 source record

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.7, DOMPurify IN_PLACE sanitization could skip shadow contents attached to an element inside .content, allowing attacker-controlled markup such as event handlers, JavaScript URLs, or scripts to survive and execute when an application cloned and inserted the sanitized template. This issue is fixed in version 3.4.7.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-49978

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-2026-49978

node-dompurify

Source reference: /affected/0/package/name

Affected versions
2.4.1+dfsg+~2.4.0-1

Source reference: /affected/0/versions

2.4.1+dfsg+~2.4.0-2

Source reference: /affected/0/versions

2.4.1+dfsg+~2.4.0-2+deb12u1

Source reference: /affected/0/versions

3.0.9+dfsg+~3.0.5-1

Source reference: /affected/0/versions

3.1.6+dfsg+~3.0.5-1

Source reference: /affected/0/versions

3.1.7+dfsg+~3.0.5-1

Source reference: /affected/0/versions

3.1.7+dfsg+~3.0.5-2

Source reference: /affected/0/versions

3.2.5+dfsg-1

Source reference: /affected/0/versions

3.3.2+dfsg-1

Source reference: /affected/0/versions

3.3.3+dfsg-1

Source reference: /affected/0/versions

3.3.3+dfsg-2

Source reference: /affected/0/versions

3.4.1+dfsg-1

Source reference: /affected/0/versions

3.4.12+dfsg-1

Source reference: /affected/0/versions

3.4.13+dfsg-1

Source reference: /affected/0/versions

3.4.13+dfsg-2

Source reference: /affected/0/versions

3.4.16+dfsg-1

Source reference: /affected/0/versions

3.4.2+dfsg-1

Source reference: /affected/0/versions

3.4.5+dfsg-1

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

node-dompurify

Source reference: /affected/1/package/name

Affected versions
3.1.7+dfsg+~3.0.5-2

Source reference: /affected/1/versions

3.2.5+dfsg-1

Source reference: /affected/1/versions

3.3.2+dfsg-1

Source reference: /affected/1/versions

3.3.3+dfsg-1

Source reference: /affected/1/versions

3.3.3+dfsg-2

Source reference: /affected/1/versions

3.4.1+dfsg-1

Source reference: /affected/1/versions

3.4.12+dfsg-1

Source reference: /affected/1/versions

3.4.13+dfsg-1

Source reference: /affected/1/versions

3.4.13+dfsg-2

Source reference: /affected/1/versions

3.4.16+dfsg-1

Source reference: /affected/1/versions

3.4.2+dfsg-1

Source reference: /affected/1/versions

3.4.5+dfsg-1

Source reference: /affected/1/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

node-dompurify

Source reference: /affected/2/package/name

Affected versions
3.1.7+dfsg+~3.0.5-2

Source reference: /affected/2/versions

3.2.5+dfsg-1

Source reference: /affected/2/versions

3.3.2+dfsg-1

Source reference: /affected/2/versions

3.3.3+dfsg-1

Source reference: /affected/2/versions

3.3.3+dfsg-2

Source reference: /affected/2/versions

3.4.1+dfsg-1

Source reference: /affected/2/versions

3.4.2+dfsg-1

Source reference: /affected/2/versions

3.4.5+dfsg-1

Source reference: /affected/2/versions

Fixed versions
3.4.12+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"
          }
        ]
      }
    ],
    "package": {
      "name": "node-dompurify",
      "purl": "pkg:deb/debian/node-dompurify?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "2.4.1+dfsg+~2.4.0-1",
      "2.4.1+dfsg+~2.4.0-2",
      "2.4.1+dfsg+~2.4.0-2+deb12u1",
      "3.0.9+dfsg+~3.0.5-1",
      "3.1.6+dfsg+~3.0.5-1",
      "3.1.7+dfsg+~3.0.5-1",
      "3.1.7+dfsg+~3.0.5-2",
      "3.2.5+dfsg-1",
      "3.3.2+dfsg-1",
      "3.3.3+dfsg-1",
      "3.3.3+dfsg-2",
      "3.4.1+dfsg-1",
      "3.4.12+dfsg-1",
      "3.4.13+dfsg-1",
      "3.4.13+dfsg-2",
      "3.4.16+dfsg-1",
      "3.4.2+dfsg-1",
      "3.4.5+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49978.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "node-dompurify",
      "purl": "pkg:deb/debian/node-dompurify?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.1.7+dfsg+~3.0.5-2",
      "3.2.5+dfsg-1",
      "3.3.2+dfsg-1",
      "3.3.3+dfsg-1",
      "3.3.3+dfsg-2",
      "3.4.1+dfsg-1",
      "3.4.12+dfsg-1",
      "3.4.13+dfsg-1",
      "3.4.13+dfsg-2",
      "3.4.16+dfsg-1",
      "3.4.2+dfsg-1",
      "3.4.5+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49978.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.4.12+dfsg-1"
          }
        ]
      }
    ],
    "package": {
      "name": "node-dompurify",
      "purl": "pkg:deb/debian/node-dompurify?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.1.7+dfsg+~3.0.5-2",
      "3.2.5+dfsg-1",
      "3.3.2+dfsg-1",
      "3.3.3+dfsg-1",
      "3.3.3+dfsg-2",
      "3.4.1+dfsg-1",
      "3.4.2+dfsg-1",
      "3.4.5+dfsg-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49978.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56027 · Revision 1
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Publisher date
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