Heap-based buffer overflow in the _dwarf_skim_forms function in libdwarf/dwarf_macro5.c in Libdwarf before 20161124 allows remote attackers to cause a denial of service (out-of-bounds read).
Conclusion & alert: CVE-2016-9275 is rated Moderate Risk (64.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.22%). Core evidence: EPSS rose +2.93% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 1.29% | 4.22% | +2.93% |
| 2 | 2026-05-08 | 1.02% | 1.29% | +0.28% |
| 3 | 2026-04-17 | — | 1.02% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-9275 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-2016-9275 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-9275 |
suse
|
low | CVE-2016-9275 severity low: SUSE including 6 source package names (libdwarf, libdwarf-devel, libdwarf-devel-static, libdwarf-doc, libdwarf-tools, libdwarf1), 8 product×package rows across 2 product lines (SUSE Linux Enterprise Module for Package Hub 15 SP4, SUSE Linux Enterprise Module for Package Hub 15 SP5): Known Not Affected 8. | https://www.suse.com/security/cve/CVE-2016-9275/ |
ubuntu
|
medium | CVE-2016-9275 medium priority: Ubuntu including 1 source packages (dwarfutils), 9 status rows across 9 suites (artful, bionic, cosmic, precise, trusty, upstream, xenial, yakkety, zesty): ignored 4, not-affected 3, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2016-9275 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libdwarf_project | libdwarf | >= 1999-12-14, < 2016-11-24 | cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/11/11/7 | Mailing List Patch Third Party Advisory |
| http://www.securityfocus.com/bid/94284 | Third Party Advisory VDB Entry |
| https://blogs.gentoo.org/ago/2016/11/07/libdwarf-heap-based-buffer-overflow-in-_dwarf_skim_forms-dwarf_macro5-c | Issue Tracking Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1394802 | Issue Tracking Patch |
| https://sourceforge.net/p/libdwarf/code/ci/583f8834083b5ef834c497f5b47797e16101a9a6/ | Issue Tracking Patch Third Party Advisory |