openldap: slapd crashes on search with deref control and empty attr list
Published Feb 12, 2015
5.0
MEDIUMCVSS 2.0
EPSS 11.09%
Description
The deref_parseCtrl function in servers/slapd/overlays/deref.c in OpenLDAP 2.4.13 through 2.4.40 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.
Affected products
No data.
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
- 2.4.19
- 2.4.20
- 2.4.21
- 2.4.22
- 2.4.23
- 2.4.24
- 2.4.25
- 2.4.26
- 2.4.27
- 2.4.28
- 2.4.29
- 2.4.30
- 2.4.31
- 2.4.32
- 2.4.33
- 2.4.34
- 2.4.35
- 2.4.36
- 2.4.37
- 2.4.38
- 2.4.39
- 2.4.40
No data.
Red Hat Enterprise Linux 5
openldap
Not affected
Red Hat Enterprise Linux 6
openldap
Not affected
Red Hat Enterprise Linux 7
openldap
Not affected
Red Hat JBoss Enterprise Application Platform 5
openldap
Not affected
Red Hat JBoss Enterprise Application Platform 6
openldap
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | openldap | Not affected | n/a |
| Red Hat Enterprise Linux 6 | openldap | Not affected | n/a |
| Red Hat Enterprise Linux 7 | openldap | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | openldap | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | openldap | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of openldap as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include support for the deref overlay.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.09% (0.11091) | 95.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.09% (0.11091) | 95.35th | v5 (v2026.06.15) |
| Oct 7, 2025 | 64.84% (0.64842) | 98.40th | v4 (v2025.03.14) |
| May 4, 2025 | 72.59% (0.72587) | 98.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 64.84% (0.64842) | 98.33th | v4 (v2025.03.14) |
| Mar 29, 2025 | 71.20% (0.71203) | 98.28th | v4 (v2025.03.14) |
| Mar 17, 2025 | 64.84% (0.64842) | 98.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 95.95% (0.95947) | 99.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.14% (0.96144) | 99.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (22)
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00069.html vendor-advisoryx_refsource_SUSE
- http://seclists.org/fulldisclosure/2019/Dec/26 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/62787 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2015/dsa-3209 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:073 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:074 vendor-advisoryx_refsource_MANDRIVA
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=c32e74763f77675b9e144126e375977ed6dc562c x_refsource_CONFIRM
- http://www.openldap.org/its/?findid=8027 x_refsource_CONFIRMExploitVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/02/07/3 mailing-listx_refsource_MLIST
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/72519 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032399 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2015-1545 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776988 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1190643 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100937 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2015-1545
- https://seclists.org/bugtraq/2019/Dec/23 mailing-listx_refsource_BUGTRAQ
- https://support.apple.com/HT204659 x_refsource_CONFIRM
- https://support.apple.com/kb/HT210788 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2015-1545
Change history (0)
No recorded changes yet.