CVE-2018-20657

libiberty: Memory leak in demangle_template function resulting in a denial of service

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · December 18, 2018

Updated · March 18, 2026

Description

A vulnerability was found in the demangle_template function in GNU libiberty, as distributed in GNU Binutils, where a memory leak could occur, a specially crafted file could cause the application to consume excessive memory, potentially leading to a crash.

Statement

This vulnerability is rated as low severity because it results in a memory leak that can cause the application to crash, it may impact performance, it does not pose a significant risk to system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-400 · Uncontrolled Resource Consumption