{"id":"ALSA-2025:8550","summary":"Important: varnish security update","details":"Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.  \n\nSecurity Fix(es):  \n\n  * varnish: request smuggling attacks (CVE-2025-47905)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-02-04T02:44:23.045724Z","published":"2025-06-04T00:00:00Z","related":["CVE-2025-47905"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:8550"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-47905"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2364235"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2025-8550.html"}],"affected":[{"package":{"name":"varnish","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/varnish"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.6.1-2.el10_0.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:8550.json"}},{"package":{"name":"varnish-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/varnish-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.6.1-2.el10_0.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:8550.json"}},{"package":{"name":"varnish-docs","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/varnish-docs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.6.1-2.el10_0.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:8550.json"}}],"schema_version":"1.7.3"}