CVE-2026-101276
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server_timer_proc() frees streams without canc…
iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server_timer_proc() frees streams without cancelling/joining their worker threads, so a blocked worker dereferences a freed iperf_stream; fixed in 3.22.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-09-30 21:16
Modified: 2026-10-01 16:17
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://newreleases.io/project/github/esnet/iperf/release/3.22 98a01053-8a31-4f6d-9aa9-252be161adc6
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗