What is CVE-2019-8243?

CVE-2019-8243 is a medium-severity vulnerability in Adobe Media Encoder, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2019-11-14.

How severe is CVE-2019-8243?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Out-of-bounds Read in Adobe Media Encoder

CVE-2019-8243

Adobe Media Encoder versions 13.1 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

Vulnerability class: Buffer Overflow

Published 2019-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.033 (88.4th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Adobe Media Encoder — versions 13.1 and earlier versions
Adobe Media Encoder
Apple macOS
Microsoft Windows

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

www.zerodayinitiative.com/advisories/ZDI-19-907/ (VDB Entry, Third Party Advisory)
helpx.adobe.com/security/products/media-encoder/apsb19-52.html (Vendor Advisory)

Frequently asked questions

What is CVE-2019-8243?: CVE-2019-8243 is a medium-severity vulnerability in Adobe Media Encoder, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2019-11-14.
How severe is CVE-2019-8243?: Medium severity. CVSS v3 base score is 4.3 out of 10.