CVE catalog
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 docum
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.35% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | php8.2 | bookworm | 8.2.32-1~deb12u1 | not affected |
| Debian | php8.2 | bookworm-security | 8.2.35-1~deb12u1 | not affected |
| Cpe | php8.3 | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | libapache2-mod-php8.3 | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | libphp8.3-embed | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-bcmath | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-bz2 | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-cgi | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-cli | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-common | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-curl | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-dba | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-dev | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-enchant | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-fpm | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-gd | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-gmp | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-imap | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-interbase | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-intl | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-ldap | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-mbstring | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-mysql | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-odbc | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-opcache | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-pgsql | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-phpdbg | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-pspell | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-readline | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-snmp | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-soap | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-sqlite3 | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-sybase | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-tidy | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-xml | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-xsl | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php8.3-zip | Not reported | 8.3.6-0ubuntu0.24.04.9 | fixed |
| Cpe | php | Not reported | 8.4.21 | fixed |
| Cpe | php | Not reported | 8.5.6 | fixed |
| Ubuntu | php8.5 | 26.04 | 8.5.2-0ubuntu1 | vulnerable |
| Ubuntu | php8.5 | 26.04 | 8.5.4-0ubuntu1 | vulnerable |
| Ubuntu | php8.5 | 26.04 | 8.5.4-0ubuntu1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | php8.2 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Cpe | php8.3 | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | libapache2-mod-php8.3 | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | libphp8.3-embed | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-bcmath | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-bz2 | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-cgi | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-cli | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-common | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-curl | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-dba | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-dev | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-enchant | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-fpm | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-gd | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-gmp | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-imap | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-interbase | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-intl | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-ldap | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-mbstring | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-mysql | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-odbc | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-opcache | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-pgsql | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-phpdbg | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-pspell | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-readline | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-snmp | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-soap | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-sqlite3 | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-sybase | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-tidy | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-xml | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-xsl | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php8.3-zip | cpe | Not reported | 8.3.6-0ubuntu0.24.04.9 | Not reported | Not reported | Not reported |
| Cpe | php | cpe | Not reported | 8.4.21 | Not reported | Not reported | Not reported |
| Cpe | php | cpe | Not reported | 8.5.6 | Not reported | Not reported | Not reported |
| Ubuntu | php8.5 | deb | 26.04 | 8.5.4-0ubuntu1.1 | Not reported | UBUNTU-CVE-2026-7263 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libapache2-mod-php8.2]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [libphp8.2-embed]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2]Not affected
Details (4)
8.2.32-1~deb12u1· all · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· all · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· all · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· all · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-bcmath]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-bz2]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-cgi]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-cli]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-common]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-curl]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-dba]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-dev]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-enchant]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-fpm]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-gd]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-gmp]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-imap]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-interbase]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-intl]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-ldap]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
- [php8.2-mbstring]Not affected
Source package: [php8.2]
Details (4)
8.2.32-1~deb12u1· amd64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.32-1~deb12u1· arm64 · bookwormNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· amd64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
8.2.33-1~deb12u1· arm64 · bookworm-securityNot affected
nvd · php8.2 · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_10747-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-7263]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-7263]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-7263]
- [https://security-tracker.debian.org/tracker/CVE-2026-7263]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7263.json]
- [https://ubuntu.com/security/notices/USN-8336-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1433.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]