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CVE-2026-16271 is an improper input-validation issue in QEMU's QXL display-device handling. The flaw involves failure to validate a primary surface's stride against its width. Amazon Linux identifies the issue in the qemu package on Amazon Linux 2 Core; Amazon Linux 2023 and Amazon Linux 2027 Preview are listed as not affected.
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A medium-severity QEMU QXL display-device flaw involving insufficient validation of the primary surface stride relative to width. The supplied Amazon Linux CVSS v3.1 vector indicates local exploitation with low attack complexity and low privileges, with scope changed and low confidentiality, integrity, and availability impact.
A vulnerability identified as CVE-2026-16271 for which an unpatched-status Nessus plugin applies to Debian Linux versions 12.0, 13.0, and 14.0. The supplied content provides no technical description of the flaw or impact.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.