Vulnerability DatabaseCVE-2018-7642
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CVE-2018-7642
Published:March 02, 2018
Updated:April 21, 2026
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.
Related Resources (10)
https://security-tracker.debian.org/tracker/CVE-2018-7642
https://access.redhat.com/errata/RHSA-2018:3032
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
https://access.redhat.com/errata/RHBA-2019:0327
https://sourceware.org/bugzilla/show_bug.cgi?id=22887
https://access.redhat.com/security/cve/CVE-2018-7642
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c89186673a7c92620d21825b25
https://security.gentoo.org/glsa/201811-17
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-7642
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
4.3
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
NULL Pointer Dereference
CWE-476
EPSS
Base Score:
0.15