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Ubuntu Security Notice USN-2695-1

Ubuntu Security Notice USN-2695-1
Posted Aug 3, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2695-1 - Fernando Munoz 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2015-5522, CVE-2015-5523
SHA-256 | 336dfd98983f47de9f0d69470b93d230134fc1c320550ad9eac0643342f45923

Ubuntu Security Notice USN-2695-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2695-1
July 29, 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 Mu=C3=B1oz 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 versions:

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

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

References:
http://www.ubuntu.com/usn/usn-2695-1
CVE-2015-5522, CVE-2015-5523

Package Information:
https://launchpad.net/ubuntu/+source/tidy/20091223cvs-1.4ubuntu0.1
https://launchpad.net/ubuntu/+source/tidy/20091223cvs-1.2ubuntu1.1
https://launchpad.net/ubuntu/+source/tidy/20091223cvs-1ubuntu2.1
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