CVE-2018-20657

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

• CWE-772

• http://www.securityfocus.com/bid/106444Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:3352
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539Exploit, Issue Tracking, Third Party Advisory
• https://support.f5.com/csp/article/K62602089Third Party Advisory
• http://www.securityfocus.com/bid/106444Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:3352
• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539Exploit, Issue Tracking, Third Party Advisory
• https://support.f5.com/csp/article/K62602089Third Party Advisory

Published

Jan 2, 2019

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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