CVE-2021-20254: samba

Out-of-bounds read in samba

No CVSS scoreEPSS 0.016 · 76th percentile

Published by the CVE Program (CNA: redhat) at 5 May 2021, 13:36 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
Not given	samba	affected samba 4.14.1, samba 4.13.6, samba 4.12.13

Identifiers

CVE-2021-20254

CNA

redhat

Weakness (CWE)

CWE-125

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

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.016, the 76th 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 5 May 2021. New records show when each source confirmed them.

Sources

References from the CNA

bugzilla.redhat.com/show_bug.cgi?id=1949442
www.samba.org/samba/security/CVE-2021-20254.html
security.netapp.com/advisory/ntap-20210430-0001/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3EP2VJ73OVBPVSOSTVOMGIEQA3MWF6F7/ vendor-advisoryfedora
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZAF6L2M6CNAJ2YYYGXPWETTW5YLCWTVT/ vendor-advisoryfedora
security.gentoo.org/glsa/202105-22 vendor-advisorygentoo
lists.debian.org/debian-lts-announce/2021/05/msg00023.html mailing-listmlist

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.