CVE-2018-6759

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

• CWE-20

• 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/103030Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201811-17Third Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=22794Issue Tracking, Third Party Advisory
• 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/103030Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201811-17Third Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=22794Issue Tracking, Third Party Advisory

Published

Feb 6, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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