#VU20386 Use-after-free in Apache HTTP Server

Published: 2019-08-23

Vulnerability identifier: #VU20386

Vulnerability risk: Medium


CVE-ID: CVE-2019-10082


Exploitation vector: Network

Exploit availability:

Vulnerable software:
Apache HTTP Server
Server applications / Web servers

Vendor: Apache Foundation


The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the mod_http2 when handling connection shutdown. A remote attacker can send specially crafted requests to the affected server and make the mod_http2 to read memory that was already freed.

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Vulnerable software versions

Apache HTTP Server: 2.4.18 - 2.4.39

Fixed software versions


External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

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