Out-of-bounds Read in Adobe Indesign

CVE-2021-39821

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) are affected by an out-of-bounds read vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious TIF file.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.040 (90.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-39821: held from 0.040 to 0.040.

EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-39821?
CVE-2021-39821 is a high-severity vulnerability in Adobe Indesign, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-09-29.
How severe is CVE-2021-39821?
High severity. CVSS v3 base score is 7.8 out of 10.