USN-2695-1: HTML Tidy vulnerabilities

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.

References

CVE-2015-5522,

CVE-2015-5523

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