Linux · 
Debian · Security advisory · July 18, 2026
Debian · Security advisory · July 18, 2026DEBIAN-CVE-2026-3842: qemu security update
DEBIAN-CVE-2026-3842, released July 18, 2026, fixes 1 CVE in qemu. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0017
6th percentile
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-3842 | Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write | 7.8 | 0.0017 | None reported |
Showing 1 to 1 of 1
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.