USN-4730-1: PostSRSd vulnerability
Publication date
10 February 2021
Overview
PostSRSd could be made to crash if it received specially crafted input.
Releases
Packages
- postsrsd - Sender Rewriting Scheme via TCP-based lookup tables for Postfix
Details
It was discovered that PostSRSd mishandled certain input. A remote attacker
could use this vulnerability to cause a denial of service via a long timestamp
tag in an SRS address.
It was discovered that PostSRSd mishandled certain input. A remote attacker
could use this vulnerability to cause a denial of service via a long timestamp
tag in an SRS address.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 18.04 LTS bionic | postsrsd – 1.4-1ubuntu0.1 | ||
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