Ubuntu Security Notice USN-267-1
3rd April, 2006
mailman vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 5.10
- Ubuntu 5.04
- Ubuntu 4.10
Details
A remote Denial of Service vulnerability was discovered in the decoder
for multipart messages. Certain parts of type "message/delivery-status"
or parts containing only two blank lines triggered an exception. An
attacker could exploit this to crash Mailman by sending a
specially crafted email to a mailing list.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 5.10:
- mailman
- Ubuntu 5.04:
- mailman
- Ubuntu 4.10:
- mailman
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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