An issue was discovered in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. Stack Exhaustion occurs in the C++ demangling functions provided by libiberty, and there are recursive stack frames: demangle_template_value_parm, demangle_integral_value, and demangle_expression.
Conclusion & alert: CVE-2018-9996 is rated High Exploit Risk (61.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). 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 | 2026-06-15 | 0.39% | 1.33% | +0.95% |
| 2 | 2025-11-21 | 0.18% | 0.39% | +0.20% |
| 3 | 2025-11-18 | — | 0.18% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2018-9996 unimportant priority: Debian including 1 source packages (binutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2018-9996 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2018-9996 |
suse
|
low | CVE-2018-9996 severity low: SUSE including 6 source package names (binutils, binutils-devel, binutils-devel-32bit, binutils-gold, libctf-nobfd0, libctf0), 65 product×package rows across 24 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (24 product lines)): Will Not Fix 65. | https://www.suse.com/security/cve/CVE-2018-9996/ |
ubuntu
|
negligible | CVE-2018-9996 negligible priority: Ubuntu including 1 source packages (binutils), 9 status rows across 9 suites (artful, bionic, cosmic, disco, eoan, focal, trusty, upstream, xenial): ignored 4, not-affected 4, needs-triage 1. | https://ubuntu.com/security/CVE-2018-9996 |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/103733 | Third Party Advisory VDB Entry |
| https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85304 | Exploit Issue Tracking Third Party Advisory |