Use After Free in Samba
CVE-2019-19344
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…
Vulnerability class: Use-After-Free
EPSS: 0.031 (85.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Samba
- Synology Directory_server
- Synology Diskstation_manager — versions 6.2
- Synology Router_manager — versions 1.2
- Synology Skynas
- Canonical Ubuntu_linux — versions 16.04, 18.04, 19.04
- Opensuse Leap — versions 15.1
- Red Hat Samba — versions 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
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Vendor Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (mailing-list)
Frequently asked questions
- What is CVE-2019-19344?
- CVE-2019-19344 is a medium-severity vulnerability in Samba, classified under Use After Free. CVSS score: 6.5/10. Published 2020-01-21.
- How severe is CVE-2019-19344?
- Medium severity. CVSS v3 base score is 6.5 out of 10.