Linux · Ubuntu · Package update · February 19, 2026

qemu-user 1:4.2-3ubuntu6.30+esm1: qemu-user 1:4.2-3ubuntu6.30+esm1 for Ubuntu 20.04.3 LTS (focal)

qemu-user 1:4.2-3ubuntu6.30+esm1, released February 19, 2026, fixes 7 CVEs in qemu-user. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product
CVEs closed
7
None rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0091
60th percentile

Priority of the 7 CVEs

Patch now 0 Urgent 0 High 4 Routine 3

Fixed package versions

ProductReleaseFixed in
qemu-userUbuntu 20.04.3 LTS (focal)1:4.2-3ubuntu6.30+esm1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2025-11234 Qemu-kvm: vnc websocket handshake use-after-free7.5 0.0091 None reported
High CVE-2024-4467 qemu-block-extra: A flaw was found in the QEMU disk image utility (qemu-img) 'info' command.A specially crafted image file containing a...7.8 0.0034 None reported
High CVE-2024-3446 qemu-block-extra: A double free vulnerability was found in QEMU virtio devices (virtio-gpu,virtio-serial-bus, virtio-crypto), where the...8.2 0.0031 None reported
High CVE-2024-6519 qemu-guest-agent: lsi53c895a: keep a reference to the device while SCRIPTS execute (Paolo Bonzini) [Orabug: 37517793]8.2 0.0025 None reported
Routine CVE-2024-3447 qemu-block-extra: A heap-based buffer overflow was found in the SDHCI device emulation ofQEMU6.0 0.0056 None reported
Routine CVE-2024-8354 qemu: Fixed assertion failure in usb_ep_get() (bsc#1230834)5.5 0.0029 None reported
Routine CVE-2026-2243 Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing5.1 0.0013 None reported
Showing 1 to 7 of 7 1

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