CVE-2019-12802 Use after free in n/a

What is CVE-2019-12802?

CVE-2019-12802 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 13 Jun 2019. 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

In radare2 through 3.5.1, the rcc_context function of libr/egg/egg_lang.c mishandles changing context. This allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact (invalid memory access in r_egg_lang_parsechar; invalid free in rcc_pusharg).

Weakness: CWE-416

Which versions are affected by CVE-2019-12802?

It affects 2 products.

Products include Fedoraproject Fedora, Radare Radare2.

How do I fix CVE-2019-12802?

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-2019-12802 being exploited?

There is no known exploitation of CVE-2019-12802 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 GHSA-hvf9-qhxq-6pcq, UBUNTU-CVE-2019-12802.