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CVE-2015-3223
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…
- 5.3MediumCVSS base score
- 6.9%Exploitation in 30 daysEPSS · top 5.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 9 months later
· 9 months later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 6.9% · top 5.8% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
n/a
- affected n/a
References
19
- https://bugzilla.redhat.com/show_bug.cgi?id=1290287 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2015-0e0879cc8a (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2016:1064 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2855-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://www.samba.org/samba/security/CVE-2015-3223.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2856-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2015:2304 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2015:2305 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 79731 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:2354 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2015-b36076d32e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1034493 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3433 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201612-47 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-2855-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2015:2356 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-3283 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2015-3223)Record last updated .