[USN-5007-1] libuv vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Wed Jul 7 13:27:28 UTC 2021

Ubuntu Security Notice USN-5007-1
July 07, 2021

libuv1 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS


libuv could be made to crash or expose sensitive information if it
received a specially crafted input.

Software Description:
- libuv1: asynchronous event notification library - runtime library


Eric Sesterhenn discovered that libuv incorrectly handled certain strings.
An attacker could possibly use this issue to access sensitive information
or cause a crash.

Update instructions:

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

Ubuntu 21.04:
  libuv1                          1.40.0-1ubuntu0.1

Ubuntu 20.10:
  libuv1                          1.38.0-2ubuntu2.1

Ubuntu 20.04 LTS:
  libuv1                          1.34.2-1ubuntu1.3

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


Package Information:
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