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TI-2026-08381 CVE-2026-9539 · GHSA-4243-hp56-4m7f

libslirp TCP URG OOB Read Information Leak

Priority MEDIUM 62

An out-of-bounds heap read and integer underflow in the TCP urgent data handling (sosendoob) in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments (e.g., QEMU) allows a privileged guest VM att…

CVSS 3.1MEDIUM 6.5· Local · Low privileges · No interaction · EPSS 0.00221 · Published 2026-06-24 · Partial fix · 4.9.2 CWE-125

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