CVE-2016-6131

The demangler in GNU Libiberty allows remote attackers to cause a denial of service (infinite loop, stack overflow, and crash) via a cycle in the references of remembered mangled types.

Published: 2017-02-07 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-6131 is rated Moderate Risk (59.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.77%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-6131

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 2025-12-08 1.02% 1.77% +0.75%
2 2025-04-11 1.86% 1.02% -0.85%
3 2025-03-30 — 1.86% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-6131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-6131

OS Trackers for CVE-2016-6131

vendor priority summary link
debian low CVE-2016-6131 low priority: Debian including 3 source packages (binutils, ht, libiberty), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. https://security-tracker.debian.org/tracker/CVE-2016-6131
redhat — — https://access.redhat.com/security/cve/CVE-2016-6131
suse low CVE-2016-6131 severity low: SUSE including 90 source package names (binutils, binutils-devel, …), 357 product×package rows across 67 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (67 product lines)): Will Not Fix 204, Known Not Affected 138, Fixed 15. https://www.suse.com/security/cve/CVE-2016-6131/
ubuntu low CVE-2016-6131 low priority: Ubuntu including 8 source packages (binutils, binutils-h8300-hms, …), 192 status rows across 24 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 88, ignored 60, needed 17, DNE 10, released 9, needs-triage 8. https://ubuntu.com/security/CVE-2016-6131

Affected software / configurations for CVE-2016-6131

Vendor Product Version Raw CPE
gnu libiberty — cpe:2.3:a:gnu:libiberty:-:*:*:*:*:*:*:*

References for CVE-2016-6131

cvelogic Threat Intelligence