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USN-151-2: zlib vulnerabilities

23 July 2005

zlib vulnerabilities

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Details

USN-148-1 and USN-151-1 fixed two security flaws in zlib, which could
be exploited to cause Denial of Service attacks or even arbitrary code
execution with malicious data streams.

Most applications use the shared library provided by the "zlib1g"
package; however, some packages contain copies of the affected zlib
code, so they need to be upgraded as well.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 5.04
  • amd64-libs-dev -
  • ia32-libs -
  • ia32-libs-dev -
  • amd64-libs -
  • dpkg-dev -
  • dselect -
  • dpkg -
Ubuntu 4.10
  • amd64-libs-dev -
  • ia32-libs -
  • ia32-libs-dev -
  • amd64-libs -
  • dpkg-dev -
  • dselect -
  • dpkg -

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

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