{"id":"CLSA-2026-1792536927","summary":"libevent: Fix of 5 CVEs","details":"- CVE-2026-63383: fix out-of-bounds read in decode_tag_internal\n- CVE-2026-63384: reject payload lengths above INT_MAX in evtag_unmarshal_header\n- CVE-2026-63387: fix off-by-one stack buffer overflow in dnsname_to_labels\n- CVE-2026-63385: reject HTTP header values containing CR or LF\n- CVE-2026-63382: reject ambiguous Transfer-Encoding/Content-Length headers and require CRLF in chunked framing","modified":"2026-10-26T09:43:55.312646955Z","published":"2026-10-21T20:41:21Z","upstream":["CVE-2026-63382","CVE-2026-63383","CVE-2026-63384","CVE-2026-63385","CVE-2026-63387"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1792536927.html"},{"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"}],"affected":[{"package":{"name":"libevent","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libevent?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.21-4.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792536927.json"}},{"package":{"name":"libevent-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libevent-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.21-4.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792536927.json"}},{"package":{"name":"libevent-doc","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/libevent-doc?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.21-4.el7.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1792536927.json"}}],"schema_version":"1.9.0"}