Read the docs
TI-2019-13956 Aliases CVE-2019-19344GHSA-932g-58jj-wp5q

Use after free in Red Hat samba

Priority LOW 34CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.

Why it matters now

EPSS 0.02756 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red Hatsambaall samba 4.11.x versions before 4.11.5; all samba 4.10.x versions before 4.10.12; all samba 4.9.x versions before 4.9.18—No fix listedCNA
  • samba VendorRed Hat Affected all samba 4.11.x versions before 4.11.5; all samba 4.10.x versions before 4.10.12; all samba 4.9.x versions before 4.9.18 Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*4.9.0 to before 4.9.18; 4.10.0 to before 4.10.12; 4.11.0 to before 4.11.5VulnerableSamba
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*19.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*19.10VulnerableCanonical
cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:*not specified by NVDVulnerableSynology
cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:*1.2VulnerableSynology
cpe:2.3:a:synology:skynas:-:*:*:*:*:*:*:*not specified by NVDVulnerableSynology
cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*6.2VulnerableSynology
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 4.9.0 to before 4.9.18; 4.10.0 to before 4.10.12; 4.11.0 to before 4.11.5 Vulnerable ·Samba
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Versions 19.10 Vulnerable ·Canonical
  • cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Synology
  • cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Synology
  • cpe:2.3:a:synology:skynas:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Synology
  • cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Synology
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat samba — openSUSE-SU-2020:0122

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2019-11110 Out-of-bounds read in Red Hat sambaPriority LOW 35
    • TI-2019-11106 Improper access control in [UNKNOWN] sambaPriority LOW 27
    Show all 3 records → Advisory →
  • Advisory ·

    Red Hat samba — FEDORA-2020-f92cd0e72b

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2019-11110 Out-of-bounds read in Red Hat sambaPriority LOW 35
    • TI-2019-11106 Improper access control in [UNKNOWN] sambaPriority LOW 27
    Show all 3 records → Advisory →
Show 2 more groups
  • Advisory ·

    Red Hat samba — FEDORA-2020-6bd386c7eb

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2019-11110 Out-of-bounds read in Red Hat sambaPriority LOW 35
    • TI-2019-11106 Improper access control in [UNKNOWN] sambaPriority LOW 27
    Show all 3 records → Advisory →
  • Advisory ·

    Red Hat samba — USN-4244-1

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2019-11110 Out-of-bounds read in Red Hat sambaPriority LOW 35
    • TI-2019-11106 Improper access control in [UNKNOWN] sambaPriority LOW 27
    Show all 3 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 6 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Storage 3
  • Red Hat Virtualization 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-19344
  2. 2026-10-03 Alias added: GHSA-932g-58jj-wp5q

References

Advisory 9

Other 1

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences