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CVE-2020-16592

Published: 9 December 2020

A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
upstream Needs triage

bionic
Released (2.30-21ubuntu1~18.04.7)
focal
Released (2.34-6ubuntu1.3)
groovy Not vulnerable
(2.35.1-1ubuntu1)
hirsute Not vulnerable
(2.35.50.20201210-0ubuntu2)
impish Not vulnerable
(2.35.50.20201210-0ubuntu2)
jammy Not vulnerable
(2.35.50.20201210-0ubuntu2)
trusty Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7ecb51549ab1ec22aba5aaf34b70323cf0b8509a

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H