Libiberty
CVE-2016-6131
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 1.76%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-20. 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. Affected products include: Gnu Libiberty.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
Integer overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute arbitrary
Integer overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault
The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentati
The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attack
Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service (segmenta
Use-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and c
Use-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and c
Multiple integer overflows in the (1) _objalloc_alloc function in objalloc.c and (2) objalloc_alloc macro in include/obj
Buffer overflow in the do_type function in cplus-dem.c in libiberty allows remote attackers to cause a denial of service
GitHub PoC
Exploit-DB