{"id":"CVE-2026-102556","published":"2026-09-29T17:17:06.460","lastModified":"2026-09-29T21:29:07.663","description":"A flaw was found in libsoup. When handling an incoming WebSocket Pong frame, SoupWebsocketConnection emitted the ::pong signal with a GByteArray pointer even though the signal is declared to pass a GBytes. Applications connecting a handler that follows the documented GBytes API can trigger heap corruption or a crash upon receiving a crafted Pong.","cvssScore":8.6,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","cwes":["CWE-843"],"vendors":[],"products":[],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-102556","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543229","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}