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CVE-2026-71380: httpd applies no timeout while receiving a request body, parking a worker on a stalled client

unknownCVE-2026-71380

CSIRTS triage

What
httpd applies no timeout while receiving a request body, allowing a stalled client to park and exhaust worker threads.
Who is affected
Deployments of Erlang/OTP inets httpd exposed to untrusted clients capable of initiating slow or incomplete requests.
Urgency
Medium-high urgency as thread exhaustion can cause denial of service and impact legitimate users.
Action
Update Erlang/OTP to a patched version and implement request timeouts or connection limits.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
unknown
Published
2026-09-02
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71380

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-71380coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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