CVE Database›Document archive›CVE-2019-10081

CVE-2019-10081

httpd: memory corruption on early pushes

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · August 14, 2019

Updated · September 21, 2026

Description

A vulnerability was found in Apache httpd, in mod_http2. Under certain circumstances, HTTP/2 early pushes could lead to memory corruption, causing a server to crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

This flaw is only exploitable if Apache httpd is configured to respond to HTTP/2 requests, which is done by including "h2" or "h2c" in the "Protocols" list in a configuration file. The following command can be used to search for possible vulnerable configurations:

grep -R '^\s*Protocols\>.*\<h2\>' /etc/httpd/

See https://httpd.apache.org/docs/2.4/mod/mod_http2.html

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-400 · Uncontrolled Resource Consumption