[UPDATE] [medium] Golang Go (sys): Vulnerability enables Denial of Service
An attacker can exploit a vulnerability in Golang Go to conduct a Denial of Service attack.
CSIRTS triage
- What
- A vulnerability in the Go sys package enables denial of service attacks.
- Who is affected
- Applications using the Go sys package are affected.
- Urgency
- Medium severity; not currently exploited but can disrupt availability.
- Action
- Update Go to a version containing the sys package fix.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1669
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-398240.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-39824 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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