CVE-2021-27815 Null dereference in n/a

What is CVE-2021-27815?

CVE-2021-27815 is a medium-severity vulnerability in Fedoraproject Fedora, published on 14 Apr 2021. 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

NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

Weakness: CWE-476

Which versions are affected by CVE-2021-27815?

It affects 2 products.

Products include Fedoraproject Fedora, Libexif Project Exif.

How do I fix CVE-2021-27815?

Upgrade to a fixed version.

Is CVE-2021-27815 being exploited?

There is no known exploitation of CVE-2021-27815 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-2021-27815, GHSA-f35c-rqpm-6c5v, MGASA-2021-0252, UBUNTU-CVE-2021-27815.