CVE-2017-14746: canonical ubuntu_linux Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2017-14746UBUNTU-CVE-2017-14746DEBIAN-CVE-2017-14746
Published 27-11-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-14746 is a critical (CVSS 9.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 9.88% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
9.88%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 27-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
9.88%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 9.88% on 19-09-2026
19-09-202619-10-2026
EPSS score9.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_workstation6.0 | 7.0
Debian2 products
- samba< 2:4.7.1+dfsg-2
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- samba≥ 4.0.0, < 4.7.3-r0 | ≥ 4.0.0, < 4.4.16-r1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.04 | 17.10
Samba1 product
- samba≥ 4.0.0, < 4.5.0 | ≥ 4.5.0, < 4.5.15 | ≥ 4.6.0, < 4.6.11 | ≥ 4.7.0, < 4.7.3
Ubuntu1 product
- samba< 2:4.3.11+dfsg-0ubuntu0.14.04.13 | < 2:4.3.11+dfsg-0ubuntu0.16.04.12
6 vendors · 9 products
References
16 links- www.samba.org/samba/security/CVE-2017-14746.htmlX Refsource CONFIRMIssue TrackingVendor AdvisoryREPORT
- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usX Refsource CONFIRMThird Party Advisory