Improper input validation in Gnu Libiberty

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.046 (90.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Issue Tracking)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch, Mailing List)

Frequently asked questions

What is CVE-2016-6131?
CVE-2016-6131 is a high-severity vulnerability in Gnu Libiberty, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-02-07.
How severe is CVE-2016-6131?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-6131 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.