Adobe InDesign CoolType out of bounds write vulnerability could lead to arbitrary stack manipulation
Published Jul 27, 2021 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Adobe InDesign CoolType out of bounds write vulnerability could lead to arbitrary stack manipulation
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Adobe InDesign version 16.0 (and earlier) is affected by an Out-of-bounds Write vulnerability in the CoolType library. An unauthenticated attacker could leverage this vulnerability to achieve remote code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Jul 27, 2021 · Last refreshed Oct 23, 2026