CVE-2019-19344

moderate-risk

Published 2020-01-21

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.

Do I need to act?

2.3% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

NETWORK / LOW complexity

Affected Products (10)

Samba

Ubuntu Linux

Directory Server

Router Manager

Skynas

Diskstation Manager

Leap

Affected Vendors

Samba Canonical Opensuse Synology

References (20)

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

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

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

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

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

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

Third Party Advisory https://usn.ubuntu.com/4244-1/

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

Third Party Advisory https://www.synology.com/security/advisory/Synology_SA_20_01