The libesedb_page_read_values function in libesedb_page.c in libesedb through 2018-04-01 allows remote attackers to cause a heap-based buffer over-read via a crafted esedb file. NOTE: the vendor has disputed this as described in the GitHub issue comments
Conclusion & alert: CVE-2018-15158 is rated High Exploit Risk (66.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.71%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| — | 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 | 2026-01-15 | 0.42% | 0.71% | +0.29% |
| 2 | 2025-03-30 | 0.46% | 0.42% | -0.04% |
| 3 | 2025-03-29 | — | 0.46% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2018-15158 medium priority: Ubuntu including 1 source packages (libesedb), 16 status rows across 16 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): ignored 9, not-affected 5, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-15158 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libesedb_project | libesedb | <= 2018-04-01 | cpe:2.3:a:libesedb_project:libesedb:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/libyal/libesedb/issues/43 | Exploit Third Party Advisory |