CVE-2018-20712

Name: CVE-2018-20712
Creator: NVD / NIST
Published: 2019-01-15T00:29:00.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.66%

Last modified Jun 17, 2026

CVE-2018-20712 is a vulnerability of currently unknown severity. A heap-based buffer over-read exists in the function d_expression_1 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.. EPSS estimates a 2.66% chance of exploitation in the next 30 days.

Description

A heap-based buffer over-read exists in the function d_expression_1 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.

Metrics

EPSS Probability

2.66%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Gnu	Binutils	2.31.1

References

http://www.securityfocus.com/bid/106563Third Party Advisory, VDB Entry
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24043Exploit, Issue Tracking, Third Party Advisory
https://support.f5.com/csp/article/K38336243Third Party Advisory
http://www.securityfocus.com/bid/106563Third Party Advisory, VDB Entry
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24043Exploit, Issue Tracking, Third Party Advisory
https://support.f5.com/csp/article/K38336243Third Party Advisory

Timeline

Published: Jan 15, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20712?

How severe is CVE-2018-20712?

Severity scoring for CVE-2018-20712 is pending analysis. The EPSS model estimates a 2.66% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20712?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20712?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST