CVE-2019-10081 Memory corruption in Apache HTTP Server

What is CVE-2019-10081?

CVE-2019-10081 is a high-severity memory corruption vulnerability in Apache Http Server, published on 15 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HTTP/2 (2.4.20 through 2.4.39) very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.

Weakness: CWE-787

Which versions are affected by CVE-2019-10081?

It affects 2 products.

Products include Apache Http Server, Debian Debian Linux.

How do I fix CVE-2019-10081?

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-2019-10081 being exploited?

There is no known exploitation of CVE-2019-10081 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-2019-10081, CLEANSTART-2026-UK90052, DEBIAN-CVE-2019-10081, GHSA-c2vp-q2q2-hm8m, UBUNTU-CVE-2019-10081.