An update for qemu is now available for openEuler-22.03-LTS-SP4 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-3696 Final 1.0 1.0 2026-09-05 Initial 2026-09-05 2026-09-05 openEuler SA Tool V1.0 2026-09-05 qemu security update An update for qemu is now available for openEuler-22.03-LTS-SP4 QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fix(es): CVE-2026-16457 is a security vulnerability in QEMU. The specific details of this vulnerability have not been fully disclosed. This vulnerability may affect the normal operation of the QEMU virtualization platform and poses potential security risks.(CVE-2026-16457) An unknown vulnerability exists in QEMU, details are not yet disclosed.(CVE-2026-50626) QEMU (Quick Emulator) is an open-source machine emulator and virtualizer widely used to run operating systems for different architectures. CVE-2026-66021 is a security vulnerability affecting QEMU, with specific details not yet fully disclosed.(CVE-2026-66021) An update for qemu is now available for master/openEuler-20.03-LTS-SP4/openEuler-22.03-LTS-SP4. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High qemu https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3696 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-16457 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-50626 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-66021 https://nvd.nist.gov/vuln/detail/CVE-2026-16457 https://nvd.nist.gov/vuln/detail/CVE-2026-50626 https://nvd.nist.gov/vuln/detail/CVE-2026-66021 openEuler-22.03-LTS-SP4 qemu-6.2.0-118.oe2203sp4.aarch64.rpm qemu-block-curl-6.2.0-118.oe2203sp4.aarch64.rpm qemu-block-iscsi-6.2.0-118.oe2203sp4.aarch64.rpm qemu-block-rbd-6.2.0-118.oe2203sp4.aarch64.rpm qemu-block-ssh-6.2.0-118.oe2203sp4.aarch64.rpm qemu-debuginfo-6.2.0-118.oe2203sp4.aarch64.rpm qemu-debugsource-6.2.0-118.oe2203sp4.aarch64.rpm qemu-guest-agent-6.2.0-118.oe2203sp4.aarch64.rpm qemu-hw-usb-host-6.2.0-118.oe2203sp4.aarch64.rpm qemu-img-6.2.0-118.oe2203sp4.aarch64.rpm qemu-system-aarch64-6.2.0-118.oe2203sp4.aarch64.rpm qemu-system-arm-6.2.0-118.oe2203sp4.aarch64.rpm qemu-system-riscv-6.2.0-118.oe2203sp4.aarch64.rpm qemu-system-x86_64-6.2.0-118.oe2203sp4.aarch64.rpm qemu-6.2.0-118.oe2203sp4.src.rpm qemu-6.2.0-118.oe2203sp4.x86_64.rpm qemu-block-curl-6.2.0-118.oe2203sp4.x86_64.rpm qemu-block-iscsi-6.2.0-118.oe2203sp4.x86_64.rpm qemu-block-rbd-6.2.0-118.oe2203sp4.x86_64.rpm qemu-block-ssh-6.2.0-118.oe2203sp4.x86_64.rpm qemu-debuginfo-6.2.0-118.oe2203sp4.x86_64.rpm qemu-debugsource-6.2.0-118.oe2203sp4.x86_64.rpm qemu-guest-agent-6.2.0-118.oe2203sp4.x86_64.rpm qemu-hw-usb-host-6.2.0-118.oe2203sp4.x86_64.rpm qemu-img-6.2.0-118.oe2203sp4.x86_64.rpm qemu-seabios-6.2.0-118.oe2203sp4.x86_64.rpm qemu-system-aarch64-6.2.0-118.oe2203sp4.x86_64.rpm qemu-system-arm-6.2.0-118.oe2203sp4.x86_64.rpm qemu-system-riscv-6.2.0-118.oe2203sp4.x86_64.rpm qemu-system-x86_64-6.2.0-118.oe2203sp4.x86_64.rpm qemu-help-6.2.0-118.oe2203sp4.noarch.rpm CVE-2026-16457 is a security vulnerability in QEMU. The specific details of this vulnerability have not been fully disclosed. This vulnerability may affect the normal operation of the QEMU virtualization platform and poses potential security risks. 2026-09-05 CVE-2026-16457 openEuler-22.03-LTS-SP4 Medium 6.5 AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H qemu security update 2026-09-05 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3696 An unknown vulnerability exists in QEMU, details are not yet disclosed. 2026-09-05 CVE-2026-50626 openEuler-22.03-LTS-SP4 High 8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H qemu security update 2026-09-05 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3696 QEMU (Quick Emulator) is an open-source machine emulator and virtualizer widely used to run operating systems for different architectures. CVE-2026-66021 is a security vulnerability affecting QEMU, with specific details not yet fully disclosed. 2026-09-05 CVE-2026-66021 openEuler-22.03-LTS-SP4 High 7.3 AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H qemu security update 2026-09-05 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3696