CVE-2022-47021 Null dereference in n/a

What is CVE-2022-47021?

CVE-2022-47021 is a high-severity vulnerability in Fedoraproject Fedora, published on 20 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of service or other unspecified impacts.

Weakness: CWE-476

Which versions are affected by CVE-2022-47021?

It affects 2 products.

Products include Fedoraproject Fedora, Xiph Opusfile.

How do I fix CVE-2022-47021?

Upgrade to a fixed version.

Is CVE-2022-47021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-47021 exists.

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 ALPINE-CVE-2022-47021, DEBIAN-CVE-2022-47021, GHSA-4j99-9c7q-m4qw, JLSEC-2026-1266, MGASA-2023-0042, OESA-2023-1062 and 4 more.