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CVE-2025-21126

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified

CVE-2025-21126 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service condition. An attacker could exploit this vulnerability to cause the application to crash, resulting in a denial of service. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service condition. An attacker could exploit this vulnerability to cause the application to crash, resulting in a denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.24%

15.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeIndesign< 19.5.2
AdobeIndesign20.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-21126?
InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service condition. An attacker could exploit this vulnerability to cause the application to crash, resulting in a denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2025-21126?
CVE-2025-21126 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21126?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21126?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST