CVE-2024-39420: Acrobat Reader | Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
Acrobat Reader versions 20.005.30636, 24.002.21005, 24.001.30159, 20.005.30655, 24.002.20965, 24.002.20964, 24.001.30123, 24.003.20054 and earlier are affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability that could lead to arbitrary code execution. This vulnerability arises when the timing of actions changes the state of a resource between the checking of a condition and the use of the resource, allowing an attacker to manipulate the resource in a harmful way. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-39420?
CVE-2024-39420 is a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2024-39420?
To mitigate CVE-2024-39420, users should update Adobe Acrobat Reader and Acrobat DC to the latest versions.
Which versions of Adobe Acrobat are affected by CVE-2024-39420?
Adobe Acrobat Reader versions 20.005.30636 and earlier, as well as multiple other specific versions, are affected by CVE-2024-39420.
What type of vulnerability is CVE-2024-39420?
CVE-2024-39420 is classified as a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability.
Can CVE-2024-39420 lead to data loss?
Yes, CVE-2024-39420 could potentially lead to data loss or system compromise due to arbitrary code execution.