CVE-2018-18607

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An issue was discovered in elf_link_input_bfd in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in elf_link_input_bfd when used for finding STT_TLS symbols without any TLS section. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://www.securityfocus.com/bid/105754Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20190307-0003/Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23805Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=102def4da826b3d9e169741421e5e67e8731909a
https://usn.ubuntu.com/4336-1/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://www.securityfocus.com/bid/105754Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20190307-0003/Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23805Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=102def4da826b3d9e169741421e5e67e8731909a
https://usn.ubuntu.com/4336-1/

Timeline

Published: Oct 23, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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