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OpenAdvisories
High DSA-6145-1 1 CVE

nova - security update

Published Feb 19, 2026 · Updated Feb 19, 2026

Fixed packages 2

ReleasePackageFixed in
Debian · 12 nova 2:26.2.2-1~deb12u4
Debian · 13 nova 2:31.0.0-6+deb13u2

Vulnerabilities 1

  • High 8.2

    OpenStack Nova calls qemu-img without format restrictions for resize

    An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img withou…