CVE-2015-6908
CVE-2015-6908 is a medium-severity vulnerability in Openldap with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 20% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Openldap
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2015-6908?
- CVE-2015-6908 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2015-6908 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-6908?
- CVE-2015-6908 primarily affects Openldap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-6908?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-6908 published?
- CVE-2015-6908 was published on 2015-09-11 and last updated on 2026-06-17.
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=8240
- 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
Affected products (2)
- cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
More vulnerabilities in Openldap
- CVE-2022-29155 — Critical (CVSS 9.8): In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental back-sql…
- CVE-2010-0211 — Critical (CVSS 9.8): The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the…
- CVE-2023-2953 — High (CVSS 7.5): A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x()…
- CVE-2020-25710 — High (CVSS 7.5): A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet…
- CVE-2020-25709 — High (CVSS 7.5): A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by…
- CVE-2021-27212 — High (CVSS 7.5): In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the…
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →