CVE-2019-14847: fedoraproject fedora NULL Pointer Dereference
Vulnerability summary
CVE-2019-14847 is a medium (CVSS 4.9) NULL Pointer Dereference vulnerability in fedoraproject fedora. EPSS estimates a 2.11% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 8Timeline
- 06-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.
CVSS metrics
8 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.9MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.11%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.11% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- samba≥ 4.0.0, < 4.10.10-r0 | ≥ 4.0.0, < 4.8.12-r1
Debian1 product
- samba< 2:4.11.0+dfsg-6
Fedoraproject1 product
- fedoraEOL29 | 30
Opensuse1 product
- leapEOL15.0
Samba1 product
- sambasamba 4.0.0 before samba 4.9.15, samba 4.10.x before 4.10.10 | ≥ 4.0.0, < 4.9.15 | ≥ 4.10.0, < 4.10.10
Ubuntu1 product
- samba< 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3 | < 2:4.3.11+dfsg-0ubuntu0.16.04.23 | < 2:4.7.6+dfsg~ubuntu-0ubuntu2.13
6 vendors · 6 products
References
14 links- lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.htmlVendor AdvisoryThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory