[USN-5051-4] OpenSSL regression

========================================================================== Ubuntu Security Notice USN-5051-4 September 01, 2021
openssl regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
Summary:
USN-5051-2 introduced a regression in OpenSSL.
Software Description: – openssl: Secure Socket Layer (SSL) cryptographic library and tools
Details:
USN-5051-2 introduced a regression in OpenSSL that affected only Ubuntu 14.04 ESM. This update fix the regression.
Original advisory details:
Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: libssl1.0.0 1.0.1f-1ubuntu2.27+esm4
After a standard system update you need to reboot your computer to make all the necessary changes.
References: ubuntu.com/security/notices/USN-5051-4 ubuntu.com/security/notices/USN-5051-1 launchpad.net/bugs/1942357