Mercurial could be made to overwrite files.
It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this vulnerability to write arbitrary files to the target’s filesystem.
6 August 2019
A security issue affects these releases of Ubuntu and its derivatives:
Mercurial could be made to overwrite files.
It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this vulnerability to write arbitrary files to the target’s filesystem.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon