An issue, also known as DW201703-005, was discovered in libdwarf 2017-03-21. A heap-based buffer over-read in _dwarf_read_loc_expr_op() is due to a failure to check a pointer for being in bounds (in a few places in this function).
Conclusion & alert: CVE-2017-9053 is rated Moderate Risk (56.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.43%). 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 | 2025-03-30 | 1.46% | 0.43% | -1.03% |
| 2 | 2025-03-29 | 0.43% | 1.46% | +1.03% |
| 3 | 2025-03-17 | — | 0.43% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-9053 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-2017-9053 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-9053 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2017-9053/ |
ubuntu
|
medium | CVE-2017-9053 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-2017-9053 |
| 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 |