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.
Conclusion & alert: CVE-2015-6908 is rated High Exploit Risk (74.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 70.51%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +7.76% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 38145 | exploit_db | edb | 2015-09-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-07 | 62.75% | 70.51% | +7.76% |
| 2 | 2025-12-01 | 73.04% | 62.75% | -10.29% |
| 3 | 2025-08-08 | — | 73.04% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-6908 not yet assigned priority: Debian including 1 source packages (openldap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-6908 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2015-6908 |
ubuntu
|
medium | CVE-2015-6908 medium priority: Ubuntu including 1 source packages (openldap), 4 status rows across 4 suites (precise, trusty, upstream, vivid): released 4. | https://ubuntu.com/security/CVE-2015-6908 |