CVE-2018-20657

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-772

Affected software

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

References

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

Timeline

Published: Jan 2, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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