CVE-2019-10081
httpd: memory corruption on early pushes
Severity
ModerateRed Hat Product Security
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 · 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-400 · Uncontrolled Resource Consumption