CVE record · CVE-2026-42792

epmd permanent DoS via EMFILE on accept(2) in erts

CVSS 6.3 MediumEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: EEF) at 27 Jul 2026, 14:58 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Erlang	OTP Package name: erts pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 6.0 to before * otp Other versions: unaffected
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 17.0 to before * otp affected 07b8f441ca711f9812fad9e9115bab3c3aa92f79 to before 865d203e4a6a8f44179eced9e1428f9259e4a3bb git Other versions: unaffected

Identifiers: CVE-2026-42792
CNA: EEF
Weakness (CWE): CWE-755 · CWE-770
Tags: Erlang OTP
Denial of service
CWE-755
Published: 27 Jul 2026
Updated: 28 Jul 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0043, the 37th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-h6f3-hx58-xhj6 vendor-advisoryrelated
cna.erlef.org/cves/CVE-2026-42792.html related
osv.dev/vulnerability/EEF-CVE-2026-42792 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/865d203e4a6a8f44179eced9e1428f9259e4a3bb patch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.