CVE-2026-42504
An attacker can exploit multiple vulnerabilities in Golang Go to conduct an unspecified attack, perform a denial of service, and present false information.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to conduct unspecified attacks, perform a denial of service, and present false information.
- Who is affected
- Deployments of Golang Go are affected by these vulnerabilities.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities, although they have not been exploited yet.
- Action
- Update Golang Go to the latest version to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] Golang Go: Multiple vulnerabilitiescert-bund · 2026-07-10
- highCVE-2026-42504: Quadratic complexity in WordDecoder.DecodeHeader in mimemsrc · 2026-06-09
External references
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