A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to…

Description

A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly.

Scores

EPSS (exploitation in 30 days)

19.3% · top 2.6% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

• mod_http2, read-after-free on a string compare
• CWE-416 (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• Apache Software Foundation · Apache HTTP Server

  • affected 2.4.17 to 2.4.38

References (36)

• https://httpd.apache.org/security/vulnerabilities_24.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20190401 CVE-2019-0196: mod_http2, read-after-free on a string compare (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 107669 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20190403 [SECURITY] [DSA 4422-1] apache2 security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• USN-3937-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• FEDORA-2019-cf7695b470 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• DSA-4422 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• http://www.apache.org/dist/httpd/CHANGES_2.4.39 (opens in a new tab)x_refsource_MISCx_transferred
• openSUSE-SU-2019:1190 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2019:1209 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2019:1258 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://support.f5.com/csp/article/K44591505 (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2019-08e57d15fd (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• [httpd-cvs] 20190611 svn commit: r1861068 - /httpd/site/trunk/content/security/vulnerabilities-httpd.xml (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190611 svn commit: r1046148 - in /websites/production/httpd/content: ./ mail (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://security.netapp.com/advisory/ntap-20190617-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2019-c7187e6dc7 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html (opens in a new tab)x_refsource_MISCx_transferred
• [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (opens in a new tab)x_refsource_MISCx_transferred
• RHSA-2019:3933 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2019:3935 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2019:3932 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://www.oracle.com/security-alerts/cpuapr2020.html (opens in a new tab)x_refsource_MISCx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [12/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1888194 [12/13] - /httpd/site/trunk/content/security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [12/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-0196](https://trackcve.app/badge/CVE-2019-0196.svg)](https://trackcve.app/cve/CVE-2019-0196)

Record last updated 4 Aug 2024, 17:44 UTC.