USN-5787-2: Libksba vulnerability
9 January 2023
Libksba could be made to crash or run programs if it processed specially crafted data.
- libksba - X.509 and CMS support library
USN-5787-1 fixed vulnerabilities in Libksba. This update provides the
corresponding updates for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libksba incorrectly handled parsing CRL signatures.
A remote attacker could use this issue to cause Libksba to crash, resulting
in a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-5787-1: libksba8, libksba, libksba-mingw-w64-dev, libksba-dev