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CVE-2018-17794

23
FAUCET Score

CVE-2018-17794 describes a NULL pointer dereference vulnerability in the cplus-dem.c component of GNU libiberty, specifically within the work_stuff_copy_to_from function when called from iterate_demangle_function. This flaw affects GNU Binutils version 2.31. Rated as Medium severity (CVSS 6.5), it is an unauthenticated, low-complexity attack that requires user interaction and can lead to a high impact on availability, likely a denial of service. There is no evidence of active exploitation, publicly available exploit code in common frameworks like Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.31CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:2.31:*:*:*:*:*:*:*

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
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 88th percentile among its peer group of 26,221 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 Patches (5)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-binutils

Vendor Advisories (1)

redhatCVE-2018-17794Low

binutils: NULL pointer dereference in libiberty/cplus-dem.c:work_stuff_copy_to_from() via crafted input

Oct 2, 2018

References

gcc.gnu.org / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
usn.ubuntu.com / 4326-1
usn.ubuntu.com / 4336-1