Description
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.
Published: 2019-01-01
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-13202 A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.
Ubuntu USN Ubuntu USN USN-4336-1 GNU binutils vulnerabilities
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00327}

epss

{'score': 0.00805}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T12:05:17.829Z

Reserved: 2019-01-01T00:00:00.000Z

Link: CVE-2018-20651

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-01-01T16:29:00.343

Modified: 2024-11-21T04:01:56.270

Link: CVE-2018-20651

cve-icon Redhat

Severity : Low

Publid Date: 2018-12-28T00:00:00Z

Links: CVE-2018-20651 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses