CVE-2018-20657

HIGH

GNU Binutils - Memory Leak in demangle_template Function

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106444
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K62602089
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3352

Scores

CVSS v3 7.5
EPSS 0.0400
EPSS Percentile 89.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (3)
f5/traffix_signaling_delivery_controller 4.4.0
f5/traffix_signaling_delivery_controller 5.0.0 - 5.1.0
gnu/binutils 2.31.1
Published Jan 02, 2019
Tracked Since Feb 18, 2026