CVE-2026-53166

mediumCVSS 5.5covered by 1 sourcefirst seen 2026-06-09

CSIRTS triage

Other

What: This vulnerability prevents NULL pointer dereference in remove_waiter() on self-deadlock.
Who is affected: Users of affected futex implementations are at risk.
Urgency: Medium urgency for remediation due to a CVSS score of 5.5 and potential impact.
Action: Apply relevant updates to futex implementations to fix this issue.

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

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Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

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