UBUNTU-CVE-2018-20712

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Source
https://ubuntu.com/security/CVE-2018-20712
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20712.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20712
Upstream
Published
2019-01-15T00:29:00Z
Modified
2025-09-08T16:45:07Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A heap-based buffer over-read exists in the function dexpression1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libiberty

Package

Name
libiberty
Purl
pkg:deb/ubuntu/libiberty@20160215-1ubuntu0.3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

20141014-1
20160215-1

20160215-1ubuntu0.*

20160215-1ubuntu0.2
20160215-1ubuntu0.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "20160215-1ubuntu0.3",
            "binary_name": "libiberty-dev"
        }
    ]
}