CVE-2026-5747

The record

An out-of-bounds write issue in the virtio PCI transport in Firecracker 1.13.0 through 1.14.3 and 1.15.0 on x86_64 and aarch64 might allow a local guest user with root privileges to crash the Firecracker VMM process or potentially execute arbitrary code on the host via modification of virtio queue configuration registers after device activation. Achieving code execution on the host requires additional preconditions, such as the use of a custom guest kernel or specific snapshot configurations. To remediate this, users should upgrade to Firecracker 1.14.4 or 1.15.1 and later.

Affected packages

Related vulnerabilities

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• CVE-2026-85458 Divide-by-zero in Xpdf 4.06 (and earlier), when a glyph in a Type 3 font has a zero… CWE-369
• CVE-2026-38345 A Division-by-Zero vulnerability in the ff_sws_init_single_context function… CWE-369
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• CVE-2026-16897 IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a… CWE-369