VIR Vulnerability Intelligence Relay

CVE-2015-3223

medium
Published 2015-12-29 · Modified 2026-05-06
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CVSS v3
5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.3

Description

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

Predictions

Exploit likelihood
63%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
suse slesaffected
debian debianbullseyefixed2:1.1.24-1
debian debianbookwormfixed2:4.1.22+dfsg-1
debian debianforkyfixed2:4.1.22+dfsg-1
debian debiansidfixed2:4.1.22+dfsg-1
debian debiantrixiefixed2:4.1.22+dfsg-1

Application impact
VendorProductVersionsFixed
sambasamba4.1.7
sambasamba4.1.5
sambasamba4.1.6
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
sambasamba4.0.19
sambasamba4.0.20
sambasamba4.0.21
sambasamba4.0.22
sambasamba4.0.23
sambasamba4.0.24
sambasamba4.1.0
sambasamba4.1.1
sambasamba4.1.2
sambasamba4.1.3
sambasamba4.1.4
sambasamba4.1.8
sambasamba4.1.9
sambasamba4.1.10
sambasamba4.1.11
sambasamba4.1.12
sambasamba4.1.13
sambasamba4.1.14
sambasamba4.1.15
sambasamba4.1.16
sambasamba4.1.17
sambasamba4.1.18
sambasamba4.1.19
sambasamba4.1.20
sambasamba4.1.21
sambasamba4.2.0
sambasamba4.2.1
sambasamba4.2.2
sambasamba4.2.3
sambasamba4.2.4
sambasamba4.2.5
sambasamba4.2.6
sambasamba4.3.0
sambasamba4.3.1
sambasamba4.3.2

References

CWEs

CWE-189 CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

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