CVE-2014-3493

low
Published 2014-06-23 · Modified 2026-05-06
CVSS v3
CVSS v2
2.7
VIR risk
2.7

Description

The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-3493

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.samba.org/samba/security/CVE-2014-3493

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2:4.1.9+dfsg-1
debian debianbullseyefixed2:4.1.9+dfsg-1
debian debianforkyfixed2:4.1.9+dfsg-1
debian debiansidfixed2:4.1.9+dfsg-1
debian debiantrixiefixed2:4.1.9+dfsg-1

Application impact

VendorProductVersionsFixed
sambasamba3.6.0
sambasamba3.6.1
sambasamba3.6.2
sambasamba3.6.3
sambasamba3.6.4
sambasamba3.6.5
sambasamba3.6.6
sambasamba3.6.7
sambasamba3.6.8
sambasamba3.6.9
sambasamba3.6.10
sambasamba3.6.11
sambasamba3.6.12
sambasamba3.6.13
sambasamba3.6.14
sambasamba3.6.15
sambasamba3.6.16
sambasamba3.6.17
sambasamba3.6.18
sambasamba3.6.19
sambasamba3.6.20
sambasamba3.6.21
sambasamba3.6.22
sambasamba3.6.23
sambasamba4.1.0
sambasamba4.1.1
sambasamba4.1.2
sambasamba4.1.3
sambasamba4.1.4
sambasamba4.1.5
sambasamba4.1.6
sambasamba4.1.7
sambasamba4.1.8
sambasamba4.0.0
sambasamba4.0.1
sambasamba4.0.2
sambasamba4.0.3
sambasamba4.0.4
sambasamba4.0.5
sambasamba4.0.6
sambasamba4.0.7
sambasamba4.0.8
sambasamba4.0.9
sambasamba4.0.10
sambasamba4.0.11
sambasamba4.0.12
sambasamba4.0.13
sambasamba4.0.14
sambasamba4.0.15
sambasamba4.0.16
sambasamba4.0.17
sambasamba4.0.18

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.