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CVE-2018-7643

26
FAUCET Score

CVE-2018-7643 is an integer overflow vulnerability in the display_debug_ranges function of GNU Binutils 2.30, affecting various GNU and Red Hat Enterprise Linux products. A remote attacker can exploit this by crafting a malicious ELF file, leading to a denial of service (application crash) or potentially other unspecified impacts. With a CVSS score of 7.8 (High), this vulnerability requires user interaction (UI:R) and local access (AV:L), but can result in high confidentiality, integrity, and availability impacts. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.30CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:2.30:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.37%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0237 is in the 82nd percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: binutils-0:2.27-34.base.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils220
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: binutils

Vendor Advisories (1)

redhatCVE-2018-7643Low

binutils: Integer overflow in the display_debug_ranges function resulting in crash

Mar 1, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-10/msg00072.html
lists.opensuse.org / opensuse-security-announce/2019-11/msg00008.html
access.redhat.com / errata/RHBA-2019:0327
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3032
Third Party Advisory
security.gentoo.org / glsa/201811-17
Third Party Advisory
sourceware.org / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
securityfocus.com / bid/103264
Third Party AdvisoryVDB Entry