Out-of-bounds Write Affecting qemu-project/qemu package, versions [,11.0.0-rc0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-16122390
- published22 Apr 2026
- disclosed9 Mar 2026
- creditOleh Konko
Introduced: 9 Mar 2026
CVE-2026-3842 (opens in a new tab)How to fix?
Upgrade qemu-project/qemu to version 11.0.0-rc0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write in the cpu_physical_memory_map() function. An attacker can gain unauthorized access to memory or corrupt heap-allocated objects by triggering an out-of-bounds write from within a guest virtual machine.