USN-9073-1: Lhasa vulnerability
Publication date
12 November 2026
Overview
Lhasa could be made to crash or run programs as your login if it opened a specially crafted file.
Releases
Packages
- lhasa - lzh archive decompressor
Details
It was discovered that Lhasa incorrectly handled certain LHA archive
headers, leading to an integer underflow. If a user or automated system
were tricked into opening a specially crafted archive, an attacker could
possibly use this issue to cause Lhasa to crash or execute arbitrary code.
It was discovered that Lhasa incorrectly handled certain LHA archive
headers, leading to an integer underflow. If a user or automated system
were tricked into opening a specially crafted archive, an attacker could
possibly use this issue to cause Lhasa to crash or execute arbitrary code.
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 | ||
|---|---|---|---|
| 16.04 LTS xenial | lhasa – 0.3.0-2ubuntu0.1~esm1 | ||
| liblhasa0 – 0.3.0-2ubuntu0.1~esm1 | |||
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