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Fencer Vulns
medium 5.5

CVE-2018-12641 json

An issue was discovered in arm_pt in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30.

published 2018-06-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4597

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

An issue was discovered in arm_pt 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_arm_hp_template, demangle_class_name, demangle_fund_type, do_type, do_arg, demangle_args, and demangle_nested_args. This can occur during execution of nm-new.

Patch / fix

  • binutils Ubuntu 18.04 LTS 2.30-21ubuntu1~18.04.3
  • libiberty Ubuntu 16.04 LTS 20160215-1ubuntu0.3
  • libiberty Ubuntu 18.04 LTS 20170913-1ubuntu0.1
  • binutils Ubuntu Pro 16.04 LTS 2.26.1-1ubuntu1~16.04.8+esm1

ubuntu advisories UBUNTU-CVE-2018-12641

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • binutils RHEL 7 2.27-41.base.el7

red hat advisories RHSA-2019:2075

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-12641 updated cvss 3.3

binutils: Stack Exhaustion in the demangling functions provided by libiberty

  • Red Hat Enterprise Linux 5 binutils, binutils220 Red Hat Enterprise Linux 6 binutils
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 8 binutils, mingw-binutils, mingw32-binutils, mingw64-binutils, mingw-binutils-generic
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Ansible Tower 3.4 for RHEL 7 Server ansible-tower-34/ansible-tower-memcached 1.4.15-28, ansible-tower-35/ansible-tower-memcached 1.4.15-28, ansible-tower-37/ansible-tower-memcached-rhel7 1.4.15-28
    fixed: vendor fix RHBA-2020:0547
  • Red Hat Enterprise Linux Client (v. 7) binutils 2.27-41.base.el7 Red Hat Enterprise Linux Client Optional (v. 7) binutils-devel 2.27-41.base.el7, binutils-debuginfo 2.27-41.base.el7 Red Hat Enterprise Linux ComputeNode (v. 7) binutils 2.27-41.base.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) binutils-devel 2.27-41.base.el7, binutils-debuginfo 2.27-41.base.el7 Red Hat Enterprise Linux Server (v. 7) binutils 2.27-41.base.el7 Red Hat Enterprise Linux Workstation (v. 7) binutils 2.27-41.base.el7
    fixed: vendor fix RHSA-2019:2075

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=23058 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.