openldap: Double free vulnerability in servers/slapd/back-mdb/search.c
Published May 29, 2017
6.5
MEDIUMCVSS 3.1
EPSS 7.20%
Description
servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0.
Affected products
No data.
Configuration 2
- 8.0
Configuration 3
- 7.0
- 7.4
- 7.5
- 7.6
- 7.7
- 7.0
- 7.4
- 7.6
- 7.7
- 7.6
- 7.7
- 7.0
Configuration 4
- < 6.5.1
Configuration 5
- < 21.1.2
No data.
Red Hat Enterprise Linux 7
openldap-0:2.4.44-5.el7
Fixed · RHSA-2017:1852
Red Hat Enterprise Linux 5
openldap
Not affected
Red Hat Enterprise Linux 6
openldap
Will not fix
Red Hat JBoss Enterprise Application Platform 5
openldap
Will not fix
Red Hat JBoss Enterprise Web Server 1
openldap
Will not fix
Red Hat JBoss Enterprise Web Server 2
openldap
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | openldap-0:2.4.44-5.el7 | Fixed | RHSA-2017:1852 |
| Red Hat Enterprise Linux 5 | openldap | Not affected | n/a |
| Red Hat Enterprise Linux 6 | openldap | Will not fix | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | openldap | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | openldap | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 2 | openldap | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of OpenLDAP as shipped with Red Hat Enterprise Linux 6 and 7 as they don't use the affected MDB backend in their default configurations. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.20% (0.07201) | 94.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.14% (0.07143) | 93.44th | v5 (v2026.06.15) |
| May 28, 2026 | 22.75% (0.22750) | 95.96th | v4 (v2025.03.14) |
| May 8, 2026 | 26.53% (0.26532) | 96.36th | v4 (v2025.03.14) |
| Apr 13, 2026 | 38.97% (0.38966) | 97.27th | v4 (v2025.03.14) |
| Feb 10, 2026 | 35.90% (0.35898) | 96.97th | v4 (v2025.03.14) |
| Nov 21, 2025 | 38.97% (0.38966) | 97.09th | v4 (v2025.03.14) |
| Nov 18, 2025 | 56.77% (0.56770) | 98.05th | v4 (v2025.03.14) |
| Jun 14, 2025 | 38.97% (0.38966) | 97.08th | v4 (v2025.03.14) |
| Jun 9, 2025 | 36.09% (0.36089) | 96.89th | v4 (v2025.03.14) |
| Apr 21, 2025 | 27.08% (0.27081) | 96.04th | v4 (v2025.03.14) |
| Mar 30, 2025 | 22.40% (0.22399) | 95.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 36.74% (0.36739) | 95.61th | v4 (v2025.03.14) |
| Mar 27, 2025 | 22.40% (0.22399) | 95.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 18.17% (0.18167) | 94.69th | v4 (v2025.03.14) |
| Dec 17, 2024 | 42.19% (0.42189) | 97.37th | v3 (v2023.03.01) |
| Dec 12, 2024 | 89.29% (0.89293) | 98.88th | v3 (v2023.03.01) |
| Jul 21, 2024 | 89.85% (0.89853) | 98.82th | v3 (v2023.03.01) |
| May 8, 2023 | 91.50% (0.91497) | 98.37th | v3 (v2023.03.01) |
| Mar 14, 2023 | 90.65% (0.90650) | 98.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.12% (0.92119) | 98.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.10% (0.01104) | 52.72th | v2 (v2022.01.01) |
| Apr 20, 2022 | 1.10% (0.01104) | 50.68th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Jul 31, 2021 | 1.66% (0.01659) | 0.00th | v1 |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (12)
- http://www.debian.org/security/2017/dsa-3868 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openldap.org/its/?findid=8655 x_refsource_CONFIRMExploitPatchVendor Advisory
- http://www.securityfocus.com/bid/98736 vdb-entryx_refsource_BIDBroken Link
- http://www.securitytracker.com/id/1038591 vdb-entryx_refsource_SECTRACKBroken Link
- https://access.redhat.com/errata/RHSA-2017:1852 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-9287 Vendor Advisory
- https://bugs.debian.org/863563 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1456712 Issue Tracking
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-9287
- https://www.cve.org/CVERecord?id=CVE-2017-9287
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3868 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openldap.org/its/?findid=8655 | x_refsource_CONFIRMExploitPatchVendor Advisory | |
| http://www.securityfocus.com/bid/98736 | vdb-entryx_refsource_BIDBroken Link | |
| http://www.securitytracker.com/id/1038591 | vdb-entryx_refsource_SECTRACKBroken Link | |
| https://access.redhat.com/errata/RHSA-2017:1852 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-9287 | Vendor Advisory | |
| https://bugs.debian.org/863563 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1456712 | Issue Tracking | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10365 | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9287 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-9287 | ||
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.