{"id":"USN-8589-1","summary":"apache2 vulnerabilities","details":"It was discovered that Apache HTTP Server's mod_ldap module incorrectly\nhandled memory when processing per-directory configurations. A remote\nattacker could possibly use this issue to cause a denial of service or\nexecute arbitrary code. (CVE-2026-29167)\n\nIt was discovered that Apache HTTP Server's mod_proxy_ftp module\nincorrectly handled HTML generation for FTP directory listings. A remote\nattacker could possibly use this issue to inject arbitrary web script or\nHTML. (CVE-2026-29170)\n\nNitescu Lucian discovered that Apache HTTP Server's mod_auth_digest module\nwas vulnerable to a timing attack. A remote attacker could possibly use\nthis issue to bypass Digest authentication. (CVE-2026-33006)","modified":"2026-07-23T01:29:27.250369150Z","published":"2026-07-22T16:41:46Z","related":["UBUNTU-CVE-2026-29167","UBUNTU-CVE-2026-29170","UBUNTU-CVE-2026-33006"],"upstream":["CVE-2026-29167","CVE-2026-29170","CVE-2026-33006","UBUNTU-CVE-2026-29167","UBUNTU-CVE-2026-29170","UBUNTU-CVE-2026-33006"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8589-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-29167"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-29170"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33006"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1ubuntu4.22+esm15"}]}],"versions":["2.4.6-2ubuntu2","2.4.6-2ubuntu3","2.4.6-2ubuntu4","2.4.7-1ubuntu1","2.4.7-1ubuntu2","2.4.7-1ubuntu3","2.4.7-1ubuntu4","2.4.7-1ubuntu4.1","2.4.7-1ubuntu4.4","2.4.7-1ubuntu4.5","2.4.7-1ubuntu4.6","2.4.7-1ubuntu4.7","2.4.7-1ubuntu4.8","2.4.7-1ubuntu4.9","2.4.7-1ubuntu4.10","2.4.7-1ubuntu4.11","2.4.7-1ubuntu4.13","2.4.7-1ubuntu4.15","2.4.7-1ubuntu4.16","2.4.7-1ubuntu4.17","2.4.7-1ubuntu4.18","2.4.7-1ubuntu4.19","2.4.7-1ubuntu4.20","2.4.7-1ubuntu4.21","2.4.7-1ubuntu4.22","2.4.7-1ubuntu4.22+esm1","2.4.7-1ubuntu4.22+esm2","2.4.7-1ubuntu4.22+esm3","2.4.7-1ubuntu4.22+esm4","2.4.7-1ubuntu4.22+esm5","2.4.7-1ubuntu4.22+esm6","2.4.7-1ubuntu4.22+esm8","2.4.7-1ubuntu4.22+esm9","2.4.7-1ubuntu4.22+esm10","2.4.7-1ubuntu4.22+esm12","2.4.7-1ubuntu4.22+esm13","2.4.7-1ubuntu4.22+esm14"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_name":"apache2-bin","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_version":"2.4.7-1ubuntu4.22+esm15","binary_name":"apache2-data"},{"binary_name":"apache2-mpm-event","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_name":"apache2-mpm-itk","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_name":"apache2-mpm-prefork","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_version":"2.4.7-1ubuntu4.22+esm15","binary_name":"apache2-mpm-worker"},{"binary_name":"apache2-suexec","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_version":"2.4.7-1ubuntu4.22+esm15","binary_name":"apache2-utils"},{"binary_name":"apache2.2-bin","binary_version":"2.4.7-1ubuntu4.22+esm15"},{"binary_version":"1:2.4.7-1ubuntu4.22+esm15","binary_name":"libapache2-mod-macro"},{"binary_version":"1:2.4.7-1ubuntu4.22+esm15","binary_name":"libapache2-mod-proxy-html"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-29167"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-29170"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2026-33006"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-2ubuntu3.17+esm20"}]}],"versions":["2.4.12-2ubuntu2","2.4.17-1ubuntu1","2.4.17-2ubuntu1","2.4.17-3ubuntu1","2.4.18-1ubuntu1","2.4.18-2ubuntu1","2.4.18-2ubuntu2","2.4.18-2ubuntu3","2.4.18-2ubuntu3.1","2.4.18-2ubuntu3.2","2.4.18-2ubuntu3.3","2.4.18-2ubuntu3.4","2.4.18-2ubuntu3.5","2.4.18-2ubuntu3.7","2.4.18-2ubuntu3.8","2.4.18-2ubuntu3.9","2.4.18-2ubuntu3.10","2.4.18-2ubuntu3.12","2.4.18-2ubuntu3.13","2.4.18-2ubuntu3.14","2.4.18-2ubuntu3.15","2.4.18-2ubuntu3.17","2.4.18-2ubuntu3.17+esm1","2.4.18-2ubuntu3.17+esm2","2.4.18-2ubuntu3.17+esm3","2.4.18-2ubuntu3.17+esm4","2.4.18-2ubuntu3.17+esm5","2.4.18-2ubuntu3.17+esm6","2.4.18-2ubuntu3.17+esm7","2.4.18-2ubuntu3.17+esm8","2.4.18-2ubuntu3.17+esm9","2.4.18-2ubuntu3.17+esm10","2.4.18-2ubuntu3.17+esm11","2.4.18-2ubuntu3.17+esm12","2.4.18-2ubuntu3.17+esm13","2.4.18-2ubuntu3.17+esm14","2.4.18-2ubuntu3.17+esm16","2.4.18-2ubuntu3.17+esm17","2.4.18-2ubuntu3.17+esm18","2.4.18-2ubuntu3.17+esm19"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.18-2ubuntu3.17+esm20"},{"binary_version":"2.4.18-2ubuntu3.17+esm20","binary_name":"apache2-bin"},{"binary_name":"apache2-data","binary_version":"2.4.18-2ubuntu3.17+esm20"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.18-2ubuntu3.17+esm20"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.18-2ubuntu3.17+esm20"},{"binary_version":"2.4.18-2ubuntu3.17+esm20","binary_name":"apache2-utils"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-29167"},{"id":"CVE-2026-29170","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-33006","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.27+esm11"}]}],"versions":["2.4.27-2ubuntu3","2.4.29-1ubuntu1","2.4.29-1ubuntu2","2.4.29-1ubuntu3","2.4.29-1ubuntu4","2.4.29-1ubuntu4.1","2.4.29-1ubuntu4.2","2.4.29-1ubuntu4.3","2.4.29-1ubuntu4.4","2.4.29-1ubuntu4.5","2.4.29-1ubuntu4.6","2.4.29-1ubuntu4.7","2.4.29-1ubuntu4.8","2.4.29-1ubuntu4.10","2.4.29-1ubuntu4.11","2.4.29-1ubuntu4.12","2.4.29-1ubuntu4.13","2.4.29-1ubuntu4.14","2.4.29-1ubuntu4.16","2.4.29-1ubuntu4.17","2.4.29-1ubuntu4.18","2.4.29-1ubuntu4.19","2.4.29-1ubuntu4.20","2.4.29-1ubuntu4.21","2.4.29-1ubuntu4.22","2.4.29-1ubuntu4.23","2.4.29-1ubuntu4.24","2.4.29-1ubuntu4.25","2.4.29-1ubuntu4.26","2.4.29-1ubuntu4.27","2.4.29-1ubuntu4.27+esm1","2.4.29-1ubuntu4.27+esm2","2.4.29-1ubuntu4.27+esm3","2.4.29-1ubuntu4.27+esm4","2.4.29-1ubuntu4.27+esm6","2.4.29-1ubuntu4.27+esm7","2.4.29-1ubuntu4.27+esm8","2.4.29-1ubuntu4.27+esm9","2.4.29-1ubuntu4.27+esm10"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.29-1ubuntu4.27+esm11","binary_name":"apache2"},{"binary_name":"apache2-bin","binary_version":"2.4.29-1ubuntu4.27+esm11"},{"binary_version":"2.4.29-1ubuntu4.27+esm11","binary_name":"apache2-data"},{"binary_version":"2.4.29-1ubuntu4.27+esm11","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.29-1ubuntu4.27+esm11","binary_name":"apache2-suexec-pristine"},{"binary_name":"apache2-utils","binary_version":"2.4.29-1ubuntu4.27+esm11"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-29167","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-29170","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-33006"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.23+esm6"}]}],"versions":["2.4.41-1ubuntu1","2.4.41-4ubuntu1","2.4.41-4ubuntu2","2.4.41-4ubuntu3","2.4.41-4ubuntu3.1","2.4.41-4ubuntu3.3","2.4.41-4ubuntu3.4","2.4.41-4ubuntu3.5","2.4.41-4ubuntu3.6","2.4.41-4ubuntu3.7","2.4.41-4ubuntu3.8","2.4.41-4ubuntu3.9","2.4.41-4ubuntu3.10","2.4.41-4ubuntu3.11","2.4.41-4ubuntu3.12","2.4.41-4ubuntu3.13","2.4.41-4ubuntu3.14","2.4.41-4ubuntu3.15","2.4.41-4ubuntu3.16","2.4.41-4ubuntu3.17","2.4.41-4ubuntu3.19","2.4.41-4ubuntu3.20","2.4.41-4ubuntu3.21","2.4.41-4ubuntu3.23","2.4.41-4ubuntu3.23+esm2","2.4.41-4ubuntu3.23+esm3","2.4.41-4ubuntu3.23+esm4","2.4.41-4ubuntu3.23+esm5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.41-4ubuntu3.23+esm6","binary_name":"apache2"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.23+esm6"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.23+esm6"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.23+esm6"},{"binary_version":"2.4.41-4ubuntu3.23+esm6","binary_name":"apache2-suexec-pristine"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.23+esm6"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.23+esm6"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.23+esm6"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-29167","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-29170","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-33006"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json"}}],"schema_version":"1.7.5"}