CVE-2020-10760

NameCVE-2020-10760
DescriptionA use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)jessie, jessie (lts)2:4.2.14+dfsg-0+deb8u16fixed
stretch (security)2:4.5.16+dfsg-1+deb9u4fixed
stretch (lts), stretch2:4.5.16+dfsg-1+deb9u5fixed
buster (security), buster, buster (lts)2:4.9.5+dfsg-5+deb10u5vulnerable
bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm (security), bookworm2:4.17.12+dfsg-0+deb12u1fixed
sid, trixie2:4.21.1+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcejessie(not affected)
sambasourcestretch2:4.5.16+dfsg-1+deb9u3DLA-2463-1
sambasource(unstable)2:4.12.5+dfsg-1

Notes

[buster] - samba <postponed> (Minor issue, fix along in next DSA)
https://www.samba.org/samba/security/CVE-2020-10760.html
[jessie] - samba <not-affected> (Vulnerable code introduced in 4.5)

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