Acrobat Reader | Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
CVE-2024-39420 is fixed in 2 products on 1 platform, first by Adobe Acrobat Reader DC 24.002.21005, released August 8, 2024. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Adobe Acrobat Reader DC | 24.002.21005 | Adobe Acrobat Reader DC 24.002.21005 | Aug 8, 2024 |
| Adobe Acrobat Reader DC (64-bit) | 24.002.21005 | Adobe Acrobat Reader DC (64-bit) 24.002.21005 | Aug 8, 2024 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.