CVE-2018-20712

Published: 15 January 2019

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

Priority

Low

CVSS 3 base score: 6.5

Status

Package Release Status
libiberty
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(20210106-1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(20200409-1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(20170913-1ubuntu0.1)
Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was deferred [2020-03-09])
Patches:
Upstream: https://github.com/gcc-mirror/gcc/commit/956bea2cd6110f104f12d5861143efc71213c140 (possible fix)