An issue, also known as DW201703-001, was discovered in libdwarf 2017-03-21. In dwarf_formsdata() a few data types were not checked for being in bounds, leading to a heap-based buffer over-read.
Conclusion & alert: CVE-2017-9055 is rated High Risk (66.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.74%). Core evidence: EPSS rose +1.35% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 0.40% | 1.74% | +1.35% |
| 2 | 2025-03-30 | 1.35% | 0.40% | -0.95% |
| 3 | 2025-03-29 | — | 1.35% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-9055 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-2017-9055 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-9055 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2017-9055/ |
ubuntu
|
medium | CVE-2017-9055 medium priority: Ubuntu including 1 source packages (dwarfutils), 22 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 16, ignored 3, DNE 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2017-9055 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libdwarf_project | libdwarf | 2017-03-21 | cpe:2.3:a:libdwarf_project:libdwarf:2017-03-21:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.prevanders.net/dwarfbug.html | Third Party Advisory |