CVE-2019-12435: samba NULL Pointer Dereference
CVSS: 6.5v3.0MediumModified
AliasesALPINE-CVE-2019-12435SUSE-SU-2019:1574-1SUSE-SU-2019:1574-2UBUNTU-CVE-2019-12435DEBIAN-CVE-2019-12435openSUSE-SU-2019:1755-1
Published 19-06-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-12435 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in samba. EPSS estimates a 2.14% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
2.14%
0%100%
Low · +0.24 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 19-06-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.14%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.24 pp
From 1.90% on 21-09-2026
21-09-202621-10-2026
EPSS score2.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse4 products
- samba&distro=SUSE Enterprise Storage 6< 4.9.5+git.176.375e1f05788-3.6.1
- samba&distro=SUSE Linux Enterprise High Availability Extension 15 SP1< 4.9.5+git.176.375e1f05788-3.6.1
- samba&distro=SUSE Linux Enterprise Module for Basesystem 15 SP1< 4.9.5+git.176.375e1f05788-3.6.1
- samba&distro=SUSE Linux Enterprise Module for Python 2 15 SP1< 4.9.5+git.176.375e1f05788-3.6.1
Alpine1 product
- samba≥ 4.9.0, < 4.10.5-r0
Debian1 product
- samba< 2:4.9.5+dfsg-5
Opensuse1 product
- samba&distro=openSUSE Leap 15.1< 4.9.5+git.176.375e1f05788-lp151.2.3.1
Samba1 product
- samba≥ 4.9.0, < 4.9.9 | ≥ 4.10.0, < 4.10.5
Ubuntu1 product
- samba< 2:4.3.11+dfsg-0ubuntu0.16.04.21 | < 2:4.7.6+dfsg~ubuntu-0ubuntu2.11
6 vendors · 9 products
References
21 links- www.synology.com/security/advisory/Synology_SA_19_27X Refsource CONFIRM
Show all 21 references
- lists.opensuse.org/archives/…Advisory