Unrated severityNVD Advisory· Published Aug 7, 2020· Updated Aug 4, 2024
CVE-2020-11993
CVE-2020-11993
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
32- Apache/HTTP Serverdescription
- Range: >=2.4.20, <=2.4.43
- osv-coords30 versionspkg:bitnami/apachepkg:rpm/almalinux/mod_http2pkg:rpm/almalinux/mod_mdpkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/apache2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
>= 2.4.20, < 2.4.44+ 29 more
- (no CPE)range: >= 2.4.20, < 2.4.44
- (no CPE)range: < 1.15.7-3.module_el8.5.0+2609+b30d9eec
- (no CPE)range: < 1:2.0.8-8.module_el8.5.0+2609+b30d9eec
- (no CPE)range: < 2.4.33-lp151.8.15.1
- (no CPE)range: < 2.4.43-lp152.2.3.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.43-3.5.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.43-3.5.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.33-3.33.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
- (no CPE)range: < 2.4.23-29.63.1
Patches
Vulnerability mechanics
References
26- lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202008-04mitrevendor-advisoryx_refsource_GENTOO
- usn.ubuntu.com/4458-1/mitrevendor-advisoryx_refsource_UBUNTU
- www.debian.org/security/2020/dsa-4757mitrevendor-advisoryx_refsource_DEBIAN
- packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-Pool-Usage.htmlmitrex_refsource_MISC
- httpd.apache.org/security/vulnerabilities_24.htmlmitrex_refsource_MISC
- lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r2c6083f6a2027914a0f5b54e2a1f4fa98c03f8693b58460911818255%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r5debe8f82728a00a4a68bc904dd6c35423bdfc8d601cfb4579f38bf1%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r623de9b2b2433a87f3f3a15900419fc9c00c77b26936dfea4060f672%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71%40%3Cdev.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8c8dea5d9a283d13ce%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/rf71eb428714374a6f9ad68952e23611ec7807b029fd6a1b4f5f732d9%40%3Ccvs.httpd.apache.org%3Emitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20200814-0005/mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpujan2021.htmlmitrex_refsource_MISC
- www.oracle.com/security-alerts/cpuoct2020.htmlmitrex_refsource_MISC
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