{"id":"CLSA-2026-1779296292","summary":"httpd: Fix of 5 CVEs","details":"- CVE-2026-28780: mod_proxy_ajp 4-byte heap buffer overflow when contacting a malicious AJP backend (off-by-AJP_HEADER_LEN check in ajp_msg_check_header)\n- CVE-2026-34059: mod_proxy_ajp heap over-read in ajp_parse_data on short AJP replies\n- CVE-2026-33006: mod_auth_digest used non-constant-time strcmp() for nonce-hash and response-digest comparisons; replace with constant-time comparison and validate nonce/digest sizes\n- CVE-2026-33857: mod_proxy_ajp off-by-one out-of-bounds reads in ajp_msg_get_uint8/uint16/uint32 and ajp_msg_peek_uint8/uint16 length checks\n- CVE-2026-34032: mod_proxy_ajp ajp_msg_get_string: tighten length check to msg-\u003elen and verify the NUL terminator is present","modified":"2026-06-01T00:33:26.017186486Z","published":"2026-05-20T16:58:16Z","upstream":["CVE-2026-28780","CVE-2026-34059","CVE-2026-33006","CVE-2026-33857","CVE-2026-34032"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1779296292.html"}],"affected":[{"package":{"name":"httpd","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/httpd?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.15-72.el6.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779296292.json"}},{"package":{"name":"httpd-devel","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/httpd-devel?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.15-72.el6.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779296292.json"}},{"package":{"name":"httpd-manual","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/httpd-manual?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.15-72.el6.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779296292.json"}},{"package":{"name":"httpd-tools","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/httpd-tools?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.15-72.el6.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779296292.json"}},{"package":{"name":"mod_ssl","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/mod_ssl?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.15-72.el6.tuxcare.els12"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779296292.json"}}],"schema_version":"1.7.5"}