CVE-2019-0197

NameCVE-2019-0197
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)jessie2.4.10-10+deb8u12fixed
jessie (security)2.4.10-10+deb8u15fixed
stretch (security), stretch2.4.25-3+deb9u8fixed
buster, buster (security)2.4.38-3+deb10u1fixed
bullseye, sid2.4.41-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2source(unstable)2.4.38-3medium
apache2sourcejessie(not affected)
apache2sourcestretch(not affected)

Notes

[stretch] - apache2 <not-affected> (Vulnerable code introduced later)
[jessie] - apache2 <not-affected> (Vulnerable code introduced later)
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2019-0197

Search for package or bug name: Reporting problems