CVE-2016-6131
CVE-2016-6131 is a high-severity vulnerability in Gnu Libiberty with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Gnu Libiberty
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2016-6131?
- CVE-2016-6131 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-6131 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6131?
- CVE-2016-6131 affects Gnu Libiberty. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-6131?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-6131 published?
- CVE-2016-6131 was published on 2017-02-07 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2016/06/30/4
- http://www.openwall.com/lists/oss-security/2016/06/30/7
- http://www.securityfocus.com/bid/91519
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71696
- https://gcc.gnu.org/ml/gcc-patches/2016-06/msg02030.html
Affected products (1)
- cpe:2.3:a:gnu:libiberty:-:*:*:*:*:*:*:*
More vulnerabilities in Gnu Libiberty
- CVE-2016-2226 — High (CVSS 7.8): Integer overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute…
- CVE-2016-4493 — Medium (CVSS 5.5): The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote…
- CVE-2016-4491 — Medium (CVSS 5.5): The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service…
- CVE-2016-4490 — Medium (CVSS 5.5): Integer overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault…
- CVE-2016-4489 — Medium (CVSS 5.5): Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service…
- CVE-2016-4488 — Medium (CVSS 5.5): Use-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and…
All CVEs affecting Gnu Libiberty →
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →