CVE record · CVE-2026-94184

Fetchmail: fetchmail: stack-based buffer overflow in ntlm authentication (fetchmail-sa-2026-01)

CVSS 5.3 MediumEPSS 0.012 · 68th percentile

Published by the CVE Program (CNA: redhat) at 21 Sept 2026, 14:17 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
Red Hat	Red Hat Enterprise Linux 10 Package name: fetchmail https://access.redhat.com/downloads/content/package-browser/	unaffected 0:6.4.38-3.el10_2.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: fetchmail https://access.redhat.com/downloads/content/package-browser/	unaffected 0:6.4.24-1.el8_10.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: fetchmail https://access.redhat.com/downloads/content/package-browser/	unaffected 0:6.4.24-1.el9_8.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: fetchmail https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Package name: fetchmail https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-94184
CNA: redhat
Weakness (CWE): CWE-121
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Memory corruption
Published: 21 Sept 2026
Updated: 6 Nov 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
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CNA (redhat)Used for this record
8.1	High	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.012, the 68th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

21 Sept 2026, 14:17 UTC Confirmed by the CVE List
21 Sept 2026, 15:17 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:85959 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:86981 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:86982 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-94184 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2531984
bugzilla.redhat.com/show_bug.cgi?id=2537395 issue-trackingredhat
gitlab.com/fetchmail/fetchmail/-/commit/cb5be5c38471eec19e519ace0bc569176317ea92
www.fetchmail.info/fetchmail-SA-2026-01.txt
www.openwall.com/lists/oss-security/2026/06/27/8

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.