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VulnerabilityPublished Updated

CVE-2024-30365: Foxit PDF Reader · Use After Free

Affects Foxit PDF ReaderSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 12:54 UTC

CVSS 3.0 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 56% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Apr 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Foxit PDF ReaderAffected
  • =2023.3.0.23028
Fixed in–

AI-suggested

Until an official patch is released, organizations should implement several specific mitigations: 1) Enforce strict policies to limit the opening of PDF files from untrusted or unknown sources, including email attachments and web downloads. 2) Use sandboxing or application isolation techniques to run Foxit PDF Reader in a restricted environment, minimizing the impact of potential code execution. 3) Employ endpoint detection and response (EDR) solutions to monitor for suspicious behaviors associated with use-after-free exploitation, such as abnormal memory operations or process injections. 4) Educate users on the risks of opening unsolicited PDFs and visiting untrusted websites, emphasizing the importance of verifying document sources. 5) Consider temporarily disabling or restricting the use of AcroForms functionality if configurable, to reduce the attack surface. 6) Monitor vendor communications closely for patch releases and apply updates promptly. 7) Implement network-level protections such as email filtering and web content scanning to block malicious PDFs before reaching end users. These targeted actions go beyond generic advice and address the specific exploitation vectors of this vulnerability.

Description

Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22947.

References

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