CVE-2019-10097 Memory corruption in Apache HTTP Server

What is CVE-2019-10097?

CVE-2019-10097 is a high-severity memory corruption vulnerability in Apache Http Server, published on 26 Sep 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buffer overflow or NULL pointer deference. This vulnerability could only be triggered by a trusted proxy and not by untrusted HTTP clients.

Weakness: CWE-787, CWE-476

Which versions are affected by CVE-2019-10097?

It affects 8 products.

Products include Apache Http Server, Oracle Communications Element Manager, Oracle Communications Session Report Manager, Oracle Communications Session Route Manager, Oracle Enterprise Manager Ops Center, Oracle Http Server and 2 more.

How do I fix CVE-2019-10097?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-10097 being exploited?

There is no known exploitation of CVE-2019-10097 in the wild and no public exploit code.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-10097, CLEANSTART-2026-QW58574, DEBIAN-CVE-2019-10097, GHSA-x7xg-9vq9-q8xh.