CVE-2024-49576 Use after free in Foxit Reader

What is CVE-2024-49576?

CVE-2024-49576 is a high-severity use after free vulnerability in Foxit Pdf Editor, published on 18 Dec 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A use-after-free vulnerability exists in the way Foxit Reader 2024.3.0.26795 handles a checkbox CBF_Widget object. A specially crafted Javascript code inside a malicious PDF document can trigger this vulnerability, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Weakness: CWE-416

Which versions are affected by CVE-2024-49576?

It affects 2 products.

Products include Foxit Pdf Editor, Foxit Pdf Reader.

How do I fix CVE-2024-49576?

No fix has been published for CVE-2024-49576 yet. Limit exposure of the affected software until one is available.

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-2024-49576 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-49576 exists.

Other vulnerabilities in Foxit Pdf Editor

• CVE-2022-28104 File upload in n/a Critical 9.8
• CVE-2022-24954 Memory corruption in n/a Critical 9.8
• CVE-2022-24955 Other in n/a Critical 9.8
• CVE-2026-91798 Foxit PDF Editor/Reader Updater Privilege Escalation High 8.8
• CVE-2026-91800 Foxit PDF Editor installer local privilege escalation High 8.8

All Foxit Pdf Editor vulnerabilities

Sources

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

Also known as GHSA-rx5r-j988-cf3j.