CVE-2020-14323

NameCVE-2020-14323
DescriptionA null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2463-1, DLA-3792-1
Debian Bugs973399

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm, bookworm (security)2:4.17.12+dfsg-0+deb12u1fixed
sid, trixie2:4.21.0+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourceexperimental2:4.13.2+dfsg-1
sambasourcestretch2:4.5.16+dfsg-1+deb9u3DLA-2463-1
sambasourcebuster2:4.9.5+dfsg-5+deb10u5DLA-3792-1
sambasource(unstable)2:4.13.2+dfsg-2973399

Notes

https://www.samba.org/samba/security/CVE-2020-14323.html
https://bugzilla.samba.org/show_bug.cgi?id=14436

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