CVE-2020-16592 Use after free in n/a

What is CVE-2020-16592?

CVE-2020-16592 is a medium-severity use after free vulnerability in Fedoraproject Fedora, published on 9 Dec 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-416

Which versions are affected by CVE-2020-16592?

It affects 3 products.

Products include Fedoraproject Fedora, Gnu Binutils, Netapp Ontap Select Deploy Administration Utility.

How do I fix CVE-2020-16592?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-16592 being exploited?

There is no known exploitation of CVE-2020-16592 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-16592, GHSA-2q8c-vq6v-7pf3, UBUNTU-CVE-2020-16592.