{"id":"OESA-2026-1263","summary":"qemu security update","details":"QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network access to the VNC WebSocket port to cause a denial of service during the WebSocket handshake prior to the VNC client authentication.(CVE-2025-11234)","modified":"2026-08-18T01:19:30.896928305Z","published":"2026-01-30T11:10:17Z","upstream":["CVE-2025-11234"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1263"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11234"}],"affected":[{"package":{"name":"qemu","ecosystem":"openEuler:20.03-LTS-SP4","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0-92.oe2003sp4"}]}],"ecosystem_specific":{"src":["qemu-4.1.0-92.oe2003sp4.src.rpm"],"x86_64":["qemu-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-block-curl-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-block-iscsi-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-block-rbd-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-block-ssh-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-debuginfo-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-debugsource-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-guest-agent-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-img-4.1.0-92.oe2003sp4.x86_64.rpm","qemu-seabios-4.1.0-92.oe2003sp4.x86_64.rpm"],"aarch64":["qemu-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-block-curl-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-block-iscsi-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-block-rbd-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-block-ssh-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-debuginfo-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-debugsource-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-guest-agent-4.1.0-92.oe2003sp4.aarch64.rpm","qemu-img-4.1.0-92.oe2003sp4.aarch64.rpm"],"noarch":["qemu-help-4.1.0-92.oe2003sp4.noarch.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-1263.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}