CVE-2026-21278
Out-of-Bounds Read in Adobe InDesign Risks Memory Exposure
Publication date: 2026-01-13
Last updated on: 2026-01-13
Assigner: Adobe Systems Incorporated
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| adobe | indesign_desktop | to 19.5.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an Out-of-bounds Read in Adobe InDesign Desktop versions 21.0, 19.5.5 and earlier. It allows an attacker to read memory outside the intended boundaries, potentially exposing sensitive information stored in memory. Exploiting this requires the victim to open a malicious file.
How can this vulnerability impact me? :
The vulnerability can lead to exposure of sensitive information stored in memory, which could be accessed by an attacker if a user opens a malicious file. This could compromise confidentiality of data.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, avoid opening files from untrusted or unknown sources in affected versions of Adobe InDesign Desktop (versions 21.0, 19.5.5 and earlier). Ensure that users are aware of the risk and exercise caution with files received via email or other means. Additionally, update Adobe InDesign to a version later than 21.0 or 19.5.5 once a patch is available.