CVE catalog

CVE-2019-12436

samba: CVE-2019-12436

Severity: Medium · CVSS 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Jun 19, 2019, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.79% · Oct 27, 2026

Samba 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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	samba	sid	`2:4.25.1+dfsg-1`	not affected
Debian	samba	forky	`2:4.25.1+dfsg-1`	not affected
Debian	samba	trixie	`2:4.22.11+dfsg-0+deb13u1`	not affected
Debian	samba	trixie-security	`2:4.22.10+dfsg-0+deb13u2`	not affected
Debian	samba	bookworm	`2:4.17.12+dfsg-0+deb12u4`	not affected
Debian	samba	bookworm-security	`2:4.17.12+dfsg-0+deb12u4`	not affected
Alpine	samba	3.10	`4.10.5-r0`	fixed
Alpine	samba	3.11	`4.10.5-r0`	fixed
Alpine	samba	3.12	`4.10.5-r0`	fixed
Alpine	samba	3.13	`4.10.5-r0`	fixed
Alpine	samba	3.14	`4.10.5-r0`	fixed
Alpine	samba	3.15	`4.10.5-r0`	fixed
Alpine	samba	3.16	`4.10.5-r0`	fixed
Alpine	samba	3.17	`4.10.5-r0`	fixed
Alpine	samba	3.18	`4.10.5-r0`	fixed
Alpine	samba	3.19	`4.10.5-r0`	fixed
Alpine	samba	3.20	`4.10.5-r0`	fixed
Alpine	samba	3.21	`4.10.5-r0`	fixed
Alpine	samba	3.22	`4.10.5-r0`	fixed
Alpine	samba	3.23	`4.10.5-r0`	fixed
Alpine	samba	3.24	`4.10.5-r0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	samba	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	samba	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	samba	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	samba	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Alpine	samba	apk	3.10	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.11	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.12	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.13	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.14	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.15	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.16	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.17	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.18	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.19	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.20	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.21	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.22	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.23	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported
Alpine	samba	apk	3.24	`4.10.5-r0`	Not reported	ALPINE-CVE-2019-12436	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[ctdb]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[ldb-tools]Unknown
Source package: [samba]
Details (8)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libldb2]Unknown
Source package: [samba]
Details (8)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libldb-dev]Unknown
Source package: [samba]
Details (8)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libnss-winbind]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libpam-winbind]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libsmbclient]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libsmbclient-dev]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libtalloc2]Unknown
Source package: [samba]
Details (2)
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libtalloc-dev]Unknown
Source package: [samba]
Details (2)
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libtdb1]Unknown
Source package: [samba]
Details (2)
- 2:1.4.13+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:1.4.13+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libtdb-dev]Unknown
Source package: [samba]
Details (2)
- 2:1.4.13+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:1.4.13+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libtevent0]Unknown
Source package: [samba]
Details (2)
- 2:0.16.2+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:0.16.2+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libtevent-dev]Unknown
Source package: [samba]
Details (2)
- 2:0.16.2+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:0.16.2+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
[libwbclient0]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[libwbclient-dev]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[python3-ldb]Unknown
Source package: [samba]
Details (8)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[python3-ldb-dev]Unknown
Source package: [samba]
Details (6)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[python3-samba]Unknown
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Not affected
  dsa · samba · debian · bookworm
[python3-talloc]Unknown
Source package: [samba]
Details (2)
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm
- 2:2.4.3+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Not affected
  dsa · samba · debian · bookworm

Next results

Observed: Oct 23, 2026, 5:39:38 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]