CVE-2023-3823: Security issue with external entity loading in XML without enabling it
First published: Thu Aug 03 2023(Updated: )
<a href="https://www.php.net/ChangeLog-8.php#8.0.30">https://www.php.net/ChangeLog-8.php#8.0.30</a> Libxml: Fixed bug GHSA-3qrf-m4j2-pcrr (Security issue with external entity loading in XML without enabling it). (<a href="https://access.redhat.com/security/cve/CVE-2023-3823">CVE-2023-3823</a>)
Credit: security@php.net security@php.net security@php.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/php7.4 | 7.4.33-1+deb11u5 | |
| debian/php8.2 | 8.2.20-1~deb12u1 8.2.23-1 | |
| redhat/php | <8.2.9 | 8.2.9 |
| redhat/php | <8.1.22 | 8.1.22 |
| redhat/php | <8.0.30 | 8.0.30 |
| PHP | >=8.0.0<8.0.30 | |
| PHP | >=8.1.0<8.1.22 | |
| PHP | >=8.2.0<8.2.8 | |
| PHP | <8.0.30 | 8.0.30 |
| PHP | >=8.2.0<8.2.9 | |
| Fedora | =38 | |
| Debian | =10.0 |
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Reference Links
- https://github.com/php/php-src/security/advisories/GHSA-3qrf-m4j2-pcrr
- https://lists.debian.org/debian-lts-announce/2023/09/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7NBF77WN6DTVTY2RE73IGPYD6M4PIAWA/
- https://security.netapp.com/advisory/ntap-20230825-0001/
- https://launchpad.net/bugs/cve/CVE-2023-3823
- https://www.php.net/ChangeLog-8.php#8.0.30 (Advisory)
- https://github.com/php/php-src/commit/c283c3ab0ba45d21b2b8745c1f9c7cbfe771c975
- https://security-tracker.debian.org/tracker/CVE-2023-3823
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3823
- https://nvd.nist.gov/vuln/detail/CVE-2023-3823
- https://ubuntu.com/security/CVE-2023-3823
- https://access.redhat.com/security/cve/CVE-2023-3823
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2242315
- https://access.redhat.com/errata/RHSA-2023:5926
- https://access.redhat.com/errata/RHSA-2023:5927
- https://access.redhat.com/errata/RHSA-2024:0387
- https://access.redhat.com/errata/RHSA-2024:10952
- https://bugzilla.redhat.com/show_bug.cgi?id=2229396
Frequently Asked Questions
What is the vulnerability ID for this security issue?
The vulnerability ID for this security issue is CVE-2023-3823.
What is the severity of CVE-2023-3823?
CVE-2023-3823 has a severity value of 7.5, which is considered high.
Which versions of PHP are affected by CVE-2023-3823?
PHP versions 8.0.* before 8.0.30, 8.1.* before 8.1.22, and 8.2.* before 8.2.8 are affected by CVE-2023-3823.
How can I fix CVE-2023-3823?
To fix CVE-2023-3823, upgrade to PHP version 8.2.9 or higher.
Where can I find more information about CVE-2023-3823?
You can find more information about CVE-2023-3823 in the [PHP ChangeLog](https://www.php.net/ChangeLog-8.php#8.2.9), [CVE Details](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3823), and [GitHub Advisory](https://github.com/php/php-src/security/advisories/GHSA-3qrf-m4j2-pcrr).
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