Ubuntu Security Notice USN-2695-1
29th July, 2015
tidy vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
HTML Tidy could be made to crash or run programs if it processed specially
crafted data.
Software description
- tidy
– HTML syntax checker and reformatter
Details
Fernando Muñoz discovered that HTML Tidy incorrectly handled memory. If a
user or automated system were tricked into processing specially crafted
data, applications linked against HTML Tidy could be made to crash, leading
to a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libtidy-0.99-0
20091223cvs-1.4ubuntu0.1
- Ubuntu 14.04 LTS:
-
libtidy-0.99-0
20091223cvs-1.2ubuntu1.1
- Ubuntu 12.04 LTS:
-
libtidy-0.99-0
20091223cvs-1ubuntu2.1
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.