CVE-2026-48043
A remote, anonymous attacker can exploit multiple vulnerabilities in Netty to bypass security measures, manipulate data, disclose confidential information, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote, anonymous attacker to bypass security measures, manipulate data, disclose confidential information, or cause a denial-of-service condition.
- Who is affected
- Deployments of Netty.
- Urgency
- Remediation is high urgency due to the severity and potential for exploitation.
- Action
- Update to the latest version of Netty.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] Netty: Multiple vulnerabilitiescert-bund · 2026-07-10
- mediumGHSA-c2gf-v879-257j: netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Le…ghsa · 2026-06-11
External references
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[](https://www.csirts.com/cve/CVE-2026-48043)