The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a…

Description

The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.

Scores

EPSS (exploitation in 30 days)

10.9% · top 4.1% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a
• CWE-189 (opens in a new tab)All about CWE-189 and its CVEs

Affected products

• n/a

  • affected n/a

References (16)

• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.openldap.org/its/index.cgi/Incoming?id=7723 (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2014:026 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1019490 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3209 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2014:0126 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [oss-security] 20131018 Re: CVE request: slapd segfaults on certain queries with rwm overlay enabled (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• RHSA-2014:0206 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 63190 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1029711 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 20140401 Cisco Unified Communications Manager Denial of Service Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/kb/HT210788 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20191211 APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20191213 APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra (opens in a new tab)mailing-listx_refsource_FULLDISCx_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)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-4449](https://trackcve.app/badge/CVE-2013-4449.svg)](https://trackcve.app/cve/CVE-2013-4449)

Record last updated 6 Aug 2024, 16:45 UTC.