High severity7.5NVD Advisory· Published Jan 17, 2023· Updated Jun 16, 2026
CVE-2006-20001
CVE-2006-20001
Description
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.
This issue affects Apache HTTP Server 2.4.54 and earlier.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
46cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*range: <2.4.55
- (no CPE)range: <=2.4.54
- (no CPE)range: 2.4
- osv-coords43 versionspkg:rpm/almalinux/httpdpkg:rpm/almalinux/httpd-corepkg:rpm/almalinux/httpd-develpkg:rpm/almalinux/httpd-filesystempkg:rpm/almalinux/httpd-manualpkg:rpm/almalinux/httpd-toolspkg:rpm/almalinux/mod_http2pkg:rpm/almalinux/mod_ldappkg:rpm/almalinux/mod_luapkg:rpm/almalinux/mod_mdpkg:rpm/almalinux/mod_proxy_htmlpkg:rpm/almalinux/mod_sessionpkg:rpm/almalinux/mod_sslpkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/apache2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg: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%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg: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%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.2pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.4.37-51.module_el8.7.0+3405+9516b832.1+ 42 more
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.53-7.el9_1.1
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 1.15.7-5.module_el8.6.0+2872+fe0ff7aa
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.53-7.el9_1.1
- (no CPE)range: < 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa
- (no CPE)range: < 1:2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 1:2.4.37-51.module_el8.7.0+3405+9516b832.1
- (no CPE)range: < 2.4.51-150400.6.6.1
- (no CPE)range: < 2.4.55-1.1
- (no CPE)range: < 2.4.33-150000.3.72.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.33-150000.3.72.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150400.6.6.1
- (no CPE)range: < 2.4.51-150400.6.6.1
- (no CPE)range: < 2.4.51-150400.6.6.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.23-29.94.1
- (no CPE)range: < 2.4.23-29.94.1
- (no CPE)range: < 2.4.51-35.22.1
- (no CPE)range: < 2.4.33-150000.3.72.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.23-29.94.1
- (no CPE)range: < 2.4.51-35.22.1
- (no CPE)range: < 2.4.33-150000.3.72.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-35.22.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.51-150200.3.51.1
- (no CPE)range: < 2.4.23-29.94.1
- (no CPE)range: < 2.4.23-29.94.1
Patches
Vulnerability mechanics
References
3- httpd.apache.org/security/vulnerabilities_24.htmlnvdRelease NotesVendor Advisory
- security.gentoo.org/glsa/202309-01nvd
- security.netapp.com/advisory/ntap-20230316-0005/nvd
News mentions
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