CVE-2015-6908
The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 18.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 18.82% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 11 September 2015
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- openldap/openldap · apple/mac os x
- Source
- security@debian.org
EPSS moved from 18.8% on 22 October 2026 to 18.8% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.debian.org/security/2015/dsa-3356
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240Exploit, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
- http://www.securityfocus.com/bid/76714
- http://www.securitytracker.com/id/1033534
- http://www.ubuntu.com/usn/USN-2742-1
- https://support.apple.com/HT205637
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.debian.org/security/2015/dsa-3356
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240Exploit, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.