CVE-2026-9539
CSIRTS triage
- What
- A TCP URG OOB read could lead to an information leak.
- Who is affected
- Users of libslirp.
- Urgency
- Remediation is important to prevent potential information leaks.
- Action
- Update libslirp to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-9539: libslirp TCP URG OOB Read Information Leakmsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-9539)