dwarf_leb.c in libdwarf allows attackers to cause a denial of service (SIGSEGV).
Conclusion & alert: CVE-2015-8538 is rated Moderate Risk (42.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-05-27 | 0.43% | 0.24% | -0.19% |
| 2 | 2025-04-18 | 0.21% | 0.43% | +0.22% |
| 3 | 2025-03-30 | — | 0.21% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2015-8538: 1 source package rows (libdwarf); 22 state rows across 8 repos (3.17-community, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, 3.23-main, edge-main); fixed 21, open 1. | https://security.alpinelinux.org/vuln/CVE-2015-8538 |
debian
|
not yet assigned | CVE-2015-8538 not yet assigned priority: Debian including 1 source packages (dwarfutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-8538 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2015-8538 |
ubuntu
|
medium | CVE-2015-8538 medium priority: Ubuntu including 1 source packages (dwarfutils), 8 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 3, released 3, not-affected 2. | https://ubuntu.com/security/CVE-2015-8538 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libdwarf_project | libdwarf | >= 1999-12-14, <= 2015-11-14 | cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2015/12/10/3 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1291299 | Issue Tracking |