========================================================================== Ubuntu Security Notice USN-4491-1 September 09, 2020
gnutls28 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: GnuTLS could be made to crash or run programs if it received specially crafted network traffic. Software Description: - gnutls28: GNU TLS library Details: It was discovered that GnuTLS incorrectly handled certain alerts when being used with TLS 1.3 servers. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libgnutls30 3.6.13-2ubuntu1.3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4491-1 CVE-2020-24659 Package Information: https://launchpad.net/ubuntu/+source/gnutls28/3.6.13-2ubuntu1.3
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