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DEBIAN-CVE-2026-28348

Type: advisorySource: OSV1 source record

lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the _has_sneaky_javascript() method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression() filters, allowing external CSS loading or XSS in older browsers. This issue has been patched in version 0.4.4.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-28348

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-2026-28348

lxml

Source reference: /affected/0/package/name

Affected versions
4.9.2-1

Source reference: /affected/0/versions

Fixed versions
4.9.2-1+deb12u1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

lxml

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
5.2.0-1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

lxml

Source reference: /affected/2/package/name

Affected versions
Not stated in this record
Fixed versions
5.2.0-1

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

lxml-html-clean

Source reference: /affected/3/package/name

Affected versions
0.4.2-1

Source reference: /affected/3/versions

0.4.3-1

Source reference: /affected/3/versions

Fixed versions
0.4.4-1~deb13u1

Source reference: /affected/3/ranges

Prerequisites
Not stated in this record

lxml-html-clean

Source reference: /affected/4/package/name

Affected versions
0.4.2-1

Source reference: /affected/4/versions

0.4.3-1

Source reference: /affected/4/versions

0.4.4-1~deb13u1

Source reference: /affected/4/versions

Fixed versions
0.4.4-1

Source reference: /affected/4/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": "4.9.2-1+deb12u1"
          }
        ]
      }
    ],
    "package": {
      "name": "lxml",
      "purl": "pkg:deb/debian/lxml?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "4.9.2-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28348.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.2.0-1"
          }
        ]
      }
    ],
    "package": {
      "name": "lxml",
      "purl": "pkg:deb/debian/lxml?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28348.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.2.0-1"
          }
        ]
      }
    ],
    "package": {
      "name": "lxml",
      "purl": "pkg:deb/debian/lxml?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28348.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.4.4-1~deb13u1"
          }
        ]
      }
    ],
    "package": {
      "name": "lxml-html-clean",
      "purl": "pkg:deb/debian/lxml-html-clean?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "0.4.2-1",
      "0.4.3-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28348.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.4.4-1"
          }
        ]
      }
    ],
    "package": {
      "name": "lxml-html-clean",
      "purl": "pkg:deb/debian/lxml-html-clean?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "0.4.2-1",
      "0.4.3-1",
      "0.4.4-1~deb13u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28348.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56349 · Revision 1
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Publisher date
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