CVE-2026-53246

highCVSS 7.8covered by 1 sourcefirst seen 2026-06-09

CSIRTS triage

Other

What: The vulnerability involves validating the length of a cached peer INIT chunk during COOKIE_ECHO processing.
Who is affected: Deployments using SCTP may be affected.
Urgency: Remediation is urgent due to the high severity rating of 7.8.
Action: Apply the necessary patches as they become available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.

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