What’s Vulnerable › Vulnerabilities
CVE-2017-15275
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 21.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-11-27 · updated 2026-06-17
- Weakness: CWE-119
Description
Samba before 4.7.3 might allow remote attackers to obtain sensitive information by leveraging failure of the server to clear allocated heap memory.
Affected products
- Canonical Ubuntu Linux: 14.04, 16.04, 17.04, 17.10
- Debian Linux: 8.0, 9.0
- RedHat Enterprise Linux Desktop: 6.0, 7.0
- RedHat Enterprise Linux Server: 6.0, 7.0
- RedHat Enterprise Linux Workstation: 6.0, 7.0
- Samba: from 3.6.0 before 4.5.15; from 4.6.0 before 4.6.11; from 4.7.0 before 4.7.3 — fixed in 4.5.15, 4.6.11, 4.7.3
How to fix
Upgrade to a fixed version: Samba 4.5.15, 4.6.11, 4.7.3. Check the vendor advisory for mitigations.
References
- http://www.securityfocus.com/bid/101908
- http://www.securitytracker.com/id/1039855
- http://www.ubuntu.com/usn/USN-3486-1
- http://www.ubuntu.com/usn/USN-3486-2
- https://access.redhat.com/errata/RHSA-2017:3260
- https://access.redhat.com/errata/RHSA-2017:3261
- https://access.redhat.com/errata/RHSA-2017:3278
- https://lists.debian.org/debian-lts-announce/2017/11/msg00029.html
- https://security.gentoo.org/glsa/201805-07
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- https://www.debian.org/security/2017/dsa-4043
- https://www.samba.org/samba/security/CVE-2017-15275.html
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