CVE-2026-34032 Details
Description
Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
A vulnerability allowing out-of-bounds read due to improper null termination has been identified in Apache HTTP Server. This issue affects versions through 2.4.66. The vulnerability arises in the AJP protocol handling within mod_proxy_ajp, where a malicious AJP server can send crafted messages that exploit the lack of proper null termination, leading to memory reads beyond the intended buffer limits.
Users are advised to upgrade to Apache HTTP Server version 2.4.67, which addresses 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 May 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/05/04/16 | CVE | Mailing ListThird Party Advisory |
| https://httpd.apache.org/security/vulnerabilities_24.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
| CWE-170 | Improper Null Termination | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache http server | < 2.4.67 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 4, 2026 | Initial Analysis | [email protected] |
| May 4, 2026 | CVE Modified | CVE |
| May 4, 2026 | New CVE Received | [email protected] |
| May 4, 2026 | CVE Modified | CISA-ADP |