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.
Published: 2019-06-11
Score: 4.2 Medium
EPSS: 2.2% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-0996 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.
Ubuntu USN Ubuntu USN USN-4113-1 Apache HTTP Server vulnerabilities
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html cve-icon cve-icon
http://www.apache.org/dist/httpd/CHANGES_2.4 cve-icon
http://www.openwall.com/lists/oss-security/2019/04/02/2 cve-icon cve-icon
http://www.securityfocus.com/bid/107665 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3932 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3933 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3935 cve-icon cve-icon
https://httpd.apache.org/security/vulnerabilities_24.html cve-icon cve-icon cve-icon
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/e0b8f6e858b1c8ec2ce8e291a2c543d438915037c7af661ab6d33808%40%3Cdev.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-0197 cve-icon
https://security.netapp.com/advisory/ntap-20190617-0002/ cve-icon cve-icon
https://support.f5.com/csp/article/K44591505 cve-icon cve-icon
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us cve-icon cve-icon
https://usn.ubuntu.com/4113-1/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-0197 cve-icon
https://www.oracle.com/security-alerts/cpuapr2020.html cve-icon cve-icon
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html cve-icon cve-icon
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html cve-icon cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.02196}

epss

{'score': 0.02256}


Subscriptions

Apache Http Server
Canonical Ubuntu Linux
Fedoraproject Fedora
Opensuse Leap
Oracle Communications Session Report Manager Communications Session Route Manager Enterprise Manager Ops Center Http Server Instantis Enterprisetrack Retail Xstore Point Of Service
Redhat Enterprise Linux Jboss Core Services
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2024-08-04T17:44:14.751Z

Reserved: 2018-11-14T00:00:00.000Z

Link: CVE-2019-0197

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-06-11T22:29:04.170

Modified: 2024-11-21T04:16:27.960

Link: CVE-2019-0197

cve-icon Redhat

Severity : Low

Publid Date: 2019-02-01T00:00:00Z

Links: CVE-2019-0197 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses