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USN-5365-1: H2 vulnerabilities

5 April 2022

Several security issues were fixed in H2.

Releases

Packages

Details

It was discovered that H2 was vulnerable to deserialization of
untrusted data. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2021-42392)

It was discovered that H2 incorrectly handled some specially
crafted connection URLs. An attacker could possibly use this
issue to execute arbitrary code. (CVE-2022-23221)

Update instructions

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

Ubuntu 21.10
Ubuntu 20.04

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