{"id":"RLSA-2026:98453","summary":"Important: libsoup security update","details":"The libsoup packages provide an HTTP client and server library for GNOME.\n\nSecurity Fix(es):\n\n* SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service (CVE-2026-15709)\n\n* libsoup: SoupWebsocketConnection: libsoup: WebSocket remote denial of service via oversized control frame protocol violation (CVE-2026-15711)\n\n* libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion (CVE-2026-102556)\n\n* libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly (CVE-2026-102557)\n\n* libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth (CVE-2026-102558)\n\n* libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking (CVE-2026-102559)\n\n* libsoup: libsoup: Heap buffer overflow during outgoing permessage-deflate buffer growth (CVE-2026-102560)\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.","modified":"2026-11-13T12:45:06.790863389Z","published":"2026-11-13T12:04:43.442503Z","upstream":["CVE-2026-102556","CVE-2026-102557","CVE-2026-102558","CVE-2026-102559","CVE-2026-102560","CVE-2026-15709","CVE-2026-15711"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:98453"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:98453"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499922"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499924"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543229"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543231"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543274"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543285"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543296"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:98453"}],"affected":[{"package":{"name":"libsoup","ecosystem":"Rocky 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