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MEDIUM

httpd: mod_http2: possible crash on late upgrade

Published Jun 11, 2019

Description

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

References (35)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apache
Published Jun 11, 2019
Updated Aug 4, 2024
Reserved Nov 14, 2018
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Low
Public date Feb 1, 2019