CVE-2026-32776 Details
Description
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
A NULL pointer dereference vulnerability has been identified in libexpat versions prior to 2.7.5. This issue arises when empty external parameter entity content is processed, leading to a potential crash or undefined behavior.
Users can upgrade to libexpat version 2.7.5 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 16, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert-portal.siemens.com/productcert/html/ssa-082556.html | siemens-SADP | |
| https://github.com/libexpat/libexpat/pull/1158 | [email protected] | Issue TrackingPatch |
| https://github.com/libexpat/libexpat/pull/1159 | [email protected] | Issue TrackingPatch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| libexpat project libexpat | < 2.7.5 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 14, 2026 | CVE Modified | siemens-SADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 17, 2026 | Initial Analysis | [email protected] |
| Mar 16, 2026 | New CVE Received | [email protected] |