Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-20712

23
FAUCET Score

CVE-2018-20712 is a heap-based buffer over-read vulnerability in the d_expression_1 function of GNU libiberty, affecting GNU Binutils 2.31.1. This flaw can be triggered by a crafted input, leading to segmentation faults and a denial-of-service condition, as demonstrated with c++filt. The vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.31.1CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.69%
Probability of exploitation in next 30 days
EPSS Percentile
84.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0268 is in the 93rd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-20712Moderate

libiberty: heap-based buffer over-read in d_expression_1

Dec 28, 2018

References

gcc.gnu.org / bugzilla/show_bug.cgi
ExploitIssue TrackingThird Party Advisory
sourceware.org / bugzilla/show_bug.cgi
ExploitIssue TrackingThird Party Advisory
support.f5.com / csp/article/K38336243
Third Party Advisory
securityfocus.com / bid/106563
Third Party AdvisoryVDB Entry