Use After Free in Adobe Acrobat

CVE-2017-16398

An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript engine. The mismatch between an old and a new object can provide an attacker with unintended memory access -- potentially leading to code corruption, control-flow hijack, or an information leak attack. Successful exploitation could lead to arbitrary code execution.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.092 (95.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% 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-2017-16398: held from 0.092 to 0.092.

EPSS over last 30 days · oldest: 0.092 · newest: 0.092 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-16398?
CVE-2017-16398 is a critical-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 9.8/10. Published 2017-12-09.
How severe is CVE-2017-16398?
Critical severity. CVSS v3 base score is 9.8 out of 10.