CVE-2021-3902

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3902
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3902.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3902
Aliases
Published
2024-11-15T11:15:06Z
Modified
2025-07-01T12:43:55.609798Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An improper restriction of external entities (XXE) vulnerability in dompdf/dompdf's SVG parser allows for Server-Side Request Forgery (SSRF) and deserialization attacks. This issue affects all versions prior to 2.0.0. The vulnerability can be exploited even if the isRemoteEnabled option is set to false. It allows attackers to perform SSRF, disclose internal image files, and cause PHAR deserialization attacks.

References

Affected packages

Debian:12 / php-dompdf

Package

Name
php-dompdf
Purl
pkg:deb/debian/php-dompdf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.2+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/dompdf/dompdf

Affected ranges

Type
GIT
Repo
https://github.com/dompdf/dompdf
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v0.*

v0.6.0
v0.6.0-b3
v0.6.1
v0.6.2
v0.7.0
v0.7.0-beta
v0.7.0-beta2
v0.7.0-beta3
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.8.4
v0.8.5
v0.8.6

v1.*

v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.2.0
v1.2.1
v1.2.2