Debian Security Advisory

DLA-1764-1 mercurial -- LTS security update

Date Reported:
25 Apr 2019
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2019-3902.
More information:

It was discovered that there was a path traversal vulnerability in the mercurial distributed revision version control system.

  • CVE-2019-3902

    A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.

For Debian 8 Jessie, these problems have been fixed in version 3.1.2-2+deb8u7.

We recommend that you upgrade your mercurial packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: