DEBIAN-CVE-2026-7263

Source
https://security-tracker.debian.org/tracker/CVE-2026-7263
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7263.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-7263
Upstream
  • CVE-2026-7263
Published
2026-05-10T06:16:08Z
Modified
2026-09-14T17:03:52Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.

References

Affected packages

Debian:13 / php8.4

Package

Name
php8.4
Purl
pkg:deb/debian/php8.4?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.4.21-1~deb13u1

Affected versions

8.*
8.4.11-1
8.4.16-1~deb13u1
8.4.16-1
8.4.20-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7263.json"

Debian:14 / php8.4

Package

Name
php8.4
Purl
pkg:deb/debian/php8.4?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.4.21-1

Affected versions

8.*
8.4.11-1
8.4.16-1~deb13u1
8.4.16-1
8.4.20-1
8.4.21-1~deb13u1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7263.json"