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Fencer Intel
medium 6.5

CVE-2019-3824 json

A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4…

published 7y ago modified 4mo ago also EUVD-2019-13447

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.

Patch / fix

  • samba samba 4.10.0
  • samba Debian 14, Debian 13, Debian 12 2:4.9.5+dfsg-1

debian advisories DEBIAN-CVE-2019-3824

  • ldb Ubuntu 14.04 LTS 1:1.1.24-0ubuntu0.14.04.2
  • ldb Ubuntu 16.04 LTS 2:1.1.24-1ubuntu3.1
  • ldb Ubuntu 18.04 LTS 2:1.2.3-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2019-3824

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ldb SLE Module for Basesystem 15 1.2.3-3.8.1

suse advisories SUSE-SU-2019:0639-1

  • ldb openSUSE Tumbleweed 2.3.0-1.3
  • samba openSUSE Tumbleweed 4.14.6+git.182.2205d5224e3-1.1
  • ldb openSUSE Leap 15.0 1.2.3-lp150.7.2

opensuse advisories openSUSE-SU-2024:10911-1openSUSE-SU-2024:11365-1openSUSE-SU-2019:1163-1

Is CVE-2019-3824 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-3824 updated cvss 6.5

samba: Out of bound read in ldb_wildcard_compare in Samba AD DC

  • Red Hat Enterprise Linux 5 libldb Red Hat Enterprise Linux 6 pyldb, libldb, ldb-tools Red Hat Enterprise Linux 7 pyldb, libldb, ldb-tools Red Hat Enterprise Linux 8 libldb, ldb-tools, python3-ldb, python-ldb-devel-common Red Hat Storage 3 ctdb, samba, samba-dc, ctdb-tests, samba-libs, samba-pidl, +21 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.84% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.