{"id":"CLSA-2026-1790587734","summary":"libevent: Fix of 8 CVEs","details":"- Fix CVE-2026-63381 - use-after-free in evbuffer_add_buffer_reference()\n- Fix CVE-2026-63385 - HTTP header injection via CR/LF in header values\n- Fix CVE-2026-63382 - HTTP request smuggling via Transfer-Encoding\n  handling and bare-LF chunk framing\n- Fix CVE-2026-63379 - HTTP header smuggling via chunked trailers","modified":"2026-10-26T09:43:50.580360711Z","published":"2026-09-28T09:29:11Z","upstream":["CVE-2026-63379","CVE-2026-63381","CVE-2026-63382","CVE-2026-63385"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1790587734.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63379"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63381"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63382"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63383"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63384"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63385"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63387"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63388"}],"affected":[{"package":{"name":"libevent","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libevent?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.12-8.el9_6.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790587734.json"}},{"package":{"name":"libevent-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libevent-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.12-8.el9_6.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790587734.json"}},{"package":{"name":"libevent-doc","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libevent-doc?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.12-8.el9_6.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790587734.json"}}],"schema_version":"1.9.0"}