CVE-2019-14975 Memory corruption in n/a
Heap-based buffer over-read in MuPDF allows attackers to cause denial of service or disclose sensitive information via crafted PDF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-14975?
CVE-2019-14975 is a high-severity memory corruption vulnerability in Artifex Mupdf, published on 14 Aug 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Artifex MuPDF before 1.16.0 has a 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.
Weakness: CWE-125
Which versions are affected by CVE-2019-14975?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2019-14975?
No fix has been published for CVE-2019-14975 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-14975 being exploited?
There is no known exploitation of CVE-2019-14975 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as GHSA-hw8w-v2vr-wp7m.