In Artifex MuPDF 1.13.0, the fzappendbyte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdfdevalpha array-index underflow.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.12.0+ds1-1ubuntu0.1~esm1", "binary_name": "mupdf" }, { "binary_version": "1.12.0+ds1-1ubuntu0.1~esm1", "binary_name": "mupdf-tools" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16648.json"