CVE-2017-14746

CRITICAL
9.8
CVSS Score
Published: November 27, 2017 at 10:00 PM UTC
Updated: June 17, 2026 at 01:06 AM UTC
6 products affected across 4 vendorsDebian LinuxUbuntu LinuxEnterprise Linux Desktop

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Severity
CRITICAL9.8
Exploit prediction
EPSS 10%

Description

Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 4.5.04.5.0 ≤ v < 4.5.154.6.0 ≤ v < 4.6.114.7.0 ≤ v < 4.7.3
Affected range stops below 4.5.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.5.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.6.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.3, so it looks safe — our inference, not a vendor statement

References (11)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/101907
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1039856
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
http://www.ubuntu.com/usn/USN-3486-1
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:3260
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:3261
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:3278
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201805-07

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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