CVE-2018-18606: Null Pointer Dereference

Published Oct 23, 2018
·
Updated

An issue was discovered in the mergestrings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in bfdaddmergesection when attempting to merge sections with large alignments. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.

Affected Software

6 affected componentsFixes available
debian/binutils
2.35.2-22.40-22.44-3
GNU binutils=2.31
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
NetApp Data ONTAP

Event History

Oct 23, 2018
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:57 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:00 AM
RemedyDescriptionSeverityAffected Software
Jan 30, 2025
Data Sourced
via Debian·02:46 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2018-18606.

2

What is the affected software?

The affected software is Binutils.

3

How does the vulnerability occur?

The vulnerability occurs in the merge_strings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.

4

What is the severity of CVE-2018-18606?

The severity of CVE-2018-18606 is not specified.

5

Is there a fix for CVE-2018-18606?

Yes, there are fixes available for different versions of Binutils.

Contact

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