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AZL-36999 CVE-2021-20254 affecting package samba for versions less than 4.18.3-1

🗓️ 05 May 2021 14:15:07Reported by GoogleType 
osv
 osv🔗 osv.dev

Samba prior to 4.18.3-1: SID to GID mapping may read past array end, risking confidentiality.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Samba vulnerability issues in IBM Storwize V7000 Unified
14 Oct 202116:55
–ibm
IBM Security Bulletins		Security Bulletin: A vulnerability in Samba affects IBM Spectrum Scale SMB protocol access method (CVE-2021-20254)
6 Dec 202114:13
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Samba, OpenSSL, Python, and XStream affect IBM Spectrum Protect Plus (CVE-2021-20254, CVE-2021-3712, CVE-2021-43859, CVE-2022-0778, CVE-2020-25717, CVE-2021-23192, CVE-2021-3733)
30 Jun 202203:51
–ibm
IBM Security Bulletins		Security Bulletin: Samba for IBM i is affected by CVE-2021-20254
13 May 202114:26
–ibm
FreeBSD		samba -- negative idmap cache entries vulnerability
29 Apr 202100:00
–freebsd
Tenable Nessus		Amazon Linux 2 : samba (ALAS-2021-1680)
1 Jul 202100:00
–nessus
Tenable Nessus		Amazon Linux AMI : samba (ALAS-2022-1564)
19 Feb 202200:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0077: samba (ALINUX3-SA-2021:0077)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : samba (ALSA-2021:4058)
9 Feb 202200:00
–nessus
Tenable Nessus		Azure Linux 3.0 Security Update: samba (CVE-2021-20254)
22 Jan 202600:00
–nessus
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21 Apr 2026 04:25Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.16.8
EPSS0.01764
SambaWindows security identifiersUnix group identifiersmapping cachenegative cache entrydata confidentialitydata integrity
0