Out-of-bounds read in MuPDF - CVE-2019-14975
Published: August 14, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35636
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-14975
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
MuPDF
MuPDF
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read in fz_chartorune in fitz/string.c because pdf/pdf-op-filter.c does not check for a missing string. A remote attacker can perform a denial of service attack.
How to mitigate CVE-2019-14975
Update to version 1.16.0.