Resource Exhaustion Affecting libgcc package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.33% (72nd percentile)

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  • Snyk IDSNYK-RHEL8-LIBGCC-1570763
  • published26 Jul 2021
  • disclosed18 Dec 2018

Introduced: 18 Dec 2018

CVE-2018-20657  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 libgcc.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcc package and not the libgcc package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.