Detections
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CVE-2019-19344

medium

Description

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.

References

https://www.synology.com/security/advisory/Synology_SA_20_01

https://usn.ubuntu.com/4244-1/

https://security.netapp.com/advisory/ntap-20200122-0001/

https://security.gentoo.org/glsa/202003-52

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html

https://www.samba.org/samba/security/CVE-2019-19344.html

https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-8965

Details

Source: Mitre, NVD

Published: 2020-01-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.02756