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USN-4085-1: Sigil vulnerability

1 August 2019

Sigil could be made to overwrite files.



  • sigil - multi-platform ebook editor


Mike Salvatore discovered that Sigil mishandled certain malformed EPUB
files. An attacker could use this vulnerability to write arbitrary files to
the filesystem.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.