CVE-2018-18662 Memory corruption in n/a
An out-of-bounds read in MuPDF allows attackers to cause denial of service or disclose sensitive memory contents via crafted 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
- Available
What is CVE-2018-18662?
CVE-2018-18662 is a medium-severity memory corruption vulnerability in Artifex Mupdf, published on 26 Oct 2018. 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
There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.
Weakness: CWE-125
Which versions are affected by CVE-2018-18662?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2018-18662?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-18662 being exploited?
There is no known exploitation of CVE-2018-18662 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2018-18662, GHSA-586q-86c8-92q7, UBUNTU-CVE-2018-18662.