What is CVE-2017-11303?

CVE-2017-11303 is a critical-severity vulnerability in Adobe Photoshop, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-12-09.

How severe is CVE-2017-11303?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Adobe Photoshop

CVE-2017-11303

An issue was discovered in Adobe Photoshop 18.1.1 (2017.1.1) and earlier versions. An exploitable memory corruption vulnerability exists. Successful exploitation could lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2017-12-09 · last modified 2026-06-17.

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: 0.081 (94.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.081 · newest: 0.081 · change: 0.000

Affected products

Adobe Photoshop
Adobe Photoshop 18.1.1 (2017.1.1) And Earlier Versions — versions Adobe Photoshop 18.1.1 (2017.1.1) and earlier versions

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securityfocus.com/bid/101829 (VDB Entry, Third Party Advisory, vdb-entry)
helpx.adobe.com/security/products/photoshop/apsb17-34.html (Vendor Advisory)
www.securitytracker.com/id/1039786 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-11303?: CVE-2017-11303 is a critical-severity vulnerability in Adobe Photoshop, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-12-09.
How severe is CVE-2017-11303?: Critical severity. CVSS v3 base score is 9.8 out of 10.