DEBIAN-CVE-2026-7263
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.
DEBIAN-CVE-2026-7263
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-2026-7263
php8.4
Source reference: /affected/0/package/name
- Affected versions
- 8.4.11-1
Source reference:
/affected/0/versions8.4.16-1Source reference:
/affected/0/versions8.4.16-1~deb13u1Source reference:
/affected/0/versions8.4.20-1Source reference:
/affected/0/versions - Fixed versions
- 8.4.21-1~deb13u1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
php8.4
Source reference: /affected/1/package/name
- Affected versions
- 8.4.11-1
Source reference:
/affected/1/versions8.4.16-1Source reference:
/affected/1/versions8.4.16-1~deb13u1Source reference:
/affected/1/versions8.4.20-1Source reference:
/affected/1/versions8.4.21-1~deb13u1Source reference:
/affected/1/versions - Fixed versions
- 8.4.21-1
Source reference:
/affected/1/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": "8.4.21-1~deb13u1"
}
]
}
],
"package": {
"name": "php8.4",
"purl": "pkg:deb/debian/php8.4?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"8.4.11-1",
"8.4.16-1",
"8.4.16-1~deb13u1",
"8.4.20-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7263.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.21-1"
}
]
}
],
"package": {
"name": "php8.4",
"purl": "pkg:deb/debian/php8.4?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"8.4.11-1",
"8.4.16-1",
"8.4.16-1~deb13u1",
"8.4.20-1",
"8.4.21-1~deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7263.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58312 · Revision 1
- Added to Heist Feed
- Publisher date