vulnerability

FreeBSD: VID-1f6d97da-8f72-11eb-b3f1-005056a311d1 (CVE-2020-27840): samba -- Multiple Vulnerabilities

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

Mar 28, 2021

Added

Mar 28, 2021

Modified

Jun 15, 2026

Description

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

Solutions

freebsd-upgrade-package-samba411freebsd-upgrade-package-samba412freebsd-upgrade-package-samba413freebsd-upgrade-package-samba414

References

CVE-2020-27840
https://attackerkb.com/topics/CVE-2020-27840
CWE-125
EUVD-EUVD-2020-20338
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20338

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