{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-11993",
        "ASSIGNER": "security@apache.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache HTTP Server",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "2.4.20 to 2.4.43"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Push Diary Crash on Specifically Crafted HTTP/2 Header"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993",
                "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202008-04",
                "url": "https://security.gentoo.org/glsa/202008-04"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-dev] 20200808 Security announcements for CVE-2020-9490/CVE-2020-11993 ?",
                "url": "https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71@%3Cdev.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-dev] 20200811 Which version fixed the CVE-2020-9490, CVE-2020-11984 and CVE-2020-11993 vulnerabilities?",
                "url": "https://lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d601cfb4579f38bf1@%3Cdev.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-dev] 20200811 Re: Which version fixed the CVE-2020-9490, CVE-2020-11984 and CVE-2020-11993 vulnerabilities?",
                "url": "https://lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b26936dfea4060f672@%3Cdev.httpd.apache.org%3E"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4458-1",
                "url": "https://usn.ubuntu.com/4458-1/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-8122a8daa2",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-b58dc5df38",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1285",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1293",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4757",
                "url": "https://www.debian.org/security/2020/dsa-4757"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuoct2020.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuoct2020.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20200814-0005/",
                "url": "https://security.netapp.com/advisory/ntap-20200814-0005/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1792",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.html"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2021.html"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-Pool-Usage.html",
                "url": "http://packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-Pool-Usage.html"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/",
                "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/",
                "url": "https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1888194 [13/13] - /httpd/site/trunk/content/security/json/",
                "url": "https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[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",
                "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073139 [13/13] - in /websites/staging/httpd/trunk/content: ./ security/json/",
                "url": "https://lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8c8dea5d9a283d13ce@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/",
                "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073149 [13/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/",
                "url": "https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1073171 - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-11984.json security/json/CVE-2020-11993.json security/vulnerabilities_24.html",
                "url": "https://lists.apache.org/thread.html/rf71eb428714374a6f9ad68952e23611ec7807b029fd6a1b4f5f732d9@%3Ccvs.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-cvs] 20210330 svn commit: r1888228 - in /httpd/site/trunk/content/security/json: CVE-2020-11984.json CVE-2020-11993.json",
                "url": "https://lists.apache.org/thread.html/r2c6083f6a2027914a0f5b54e2a1f4fa98c03f8693b58460911818255@%3Ccvs.httpd.apache.org%3E"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above \"info\" will mitigate this vulnerability for unpatched servers."
            }
        ]
    }
}