CVE-2018-20623

MEDIUM

GNU Binutils 2.31.1 - Use-After-Free in ELF File Processing

Title source: llm
STIX 2.1

Description

In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106370
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://sourceware.org/bugzilla/show_bug.cgi?id=24049
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K38336243
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4336-1/

Scores

CVSS v3 5.5
EPSS 0.0032
EPSS Percentile 55.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
gnu/binutils 2.31.1
Published Dec 31, 2018
Tracked Since Feb 18, 2026