What is CVE-2025-21123?

CVE-2025-21123 is a high-severity vulnerability in Adobe Indesign, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-02-11.

How severe is CVE-2025-21123?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Adobe Indesign

CVE-2025-21123

InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user in…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Indesign — versions 20.0
Adobe Indesign Desktop — versions 0
Apple Macos
Microsoft Windows

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21123?: CVE-2025-21123 is a high-severity vulnerability in Adobe Indesign, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-02-11.
How severe is CVE-2025-21123?: High severity. CVSS v3 base score is 7.8 out of 10.