CVE-2018-20712

Public Exploit

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.07% Top 25%
Third-Party Advisory securityfocus.com Third-Party Advisory gnu.org Third-Party Advisory sourceware.org Third-Party Advisory f5.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629 third party advisory issue tracking exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=24043 third party advisory issue tracking exploit
http://www.securityfocus.com/bid/106563 third party advisory vdb entry
https://support.f5.com/csp/article/K38336243 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-20712?
CVE-2018-20712 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20712?
To fix CVE-2018-20712, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20712 being actively exploited in the wild?
It is possible that CVE-2018-20712 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.