CVE-2018-20657

high

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

https://access.redhat.com/errata/RHSA-2019:3352

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539

https://support.f5.com/csp/article/K62602089

Details

Source: Mitre, NVD

Published: 2019-01-02

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High