What is CVE-2019-7321?

CVE-2019-7321 is a critical-severity vulnerability in Artifex Mupdf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-06-13.

How severe is CVE-2019-7321?

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

Buffer overflow in Artifex Mupdf

CVE-2019-7321

Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.

Vulnerability class: Buffer Overflow

EPSS: 0.032 (86.8th percentile) — read the EPSS interpretation.

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.

Affected products

Artifex Mupdf — versions 1.14.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write
CWE-908 — Use of Uninitialized Resource

References

cve@mitre.org
cve@mitre.org (Patch, Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2019-7321?: CVE-2019-7321 is a critical-severity vulnerability in Artifex Mupdf, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-06-13.
How severe is CVE-2019-7321?: Critical severity. CVSS v3 base score is 9.8 out of 10.