Finding #175 — CVE-2026-28780
| Inventory item | apache-test 2.4.37 (software, apache) |
|---|---|
| Title | CVE-2026-28780: Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a |
| Match | cpe / confidence high |
| Status | new |
| First seen | 2026-06-30T06:53:51Z |
| Last updated | 2026-06-30T06:53:51Z |
| CVE | CVE-2026-28780 |
| CVSS | 9.8 (CRITICAL)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Description | Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. |
| Source advisory | CVE-2026-28780: Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.
If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. |
| References | https://httpd.apache.org/security/vulnerabilities_24.html http://www.openwall.com/lists/oss-security/2026/05/05/9 https://access.redhat.com/errata/RHSA-2026:21391 https://access.redhat.com/errata/RHSA-2026:21433 https://access.redhat.com/errata/RHSA-2026:22140 https://access.redhat.com/errata/RHSA-2026:27200 https://access.redhat.com/errata/RHSA-2026:27201 https://access.redhat.com/errata/RHSA-2026:36373 https://access.redhat.com/errata/RHSA-2026:36831 https://access.redhat.com/errata/RHSA-2026:36846 https://access.redhat.com/errata/RHSA-2026:47046 https://access.redhat.com/errata/RHSA-2026:62165 https://access.redhat.com/errata/RHSA-2026:66323 https://access.redhat.com/errata/RHSA-2026:67152 https://access.redhat.com/security/cve/CVE-2026-28780 |