CVE-2019-12436

NameCVE-2019-12436
DescriptionSamba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)buster, buster (security)2:4.9.5+dfsg-5+deb10u3fixed
bullseye2:4.13.13+dfsg-1~deb11u4fixed
bullseye (security)2:4.13.13+dfsg-1~deb11u3fixed
bookworm, sid2:4.16.4+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasource(unstable)(not affected)

Notes

- samba <not-affected> (Only affects Samba since 4.10.0)
https://www.samba.org/samba/security/CVE-2019-12436.html

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