USN-5892-2: NSS vulnerability
6 March 2023
NSS could be made to crash if it received a specially crafted certificate.
Releases
Packages
- nss - Network Security Service library
Details
USN-5892-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Christian Holler discovered that NSS incorrectly handled certain PKCS 12
certificated bundles. A remote attacker could use this issue to cause NSS
to crash, leading to a denial of service, or possibly execute arbitrary
code. (CVE-2023-0767)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
libnss3
-
2:3.28.4-0ubuntu0.16.04.14+esm4
Available with Ubuntu Pro
Ubuntu 14.04
-
libnss3
-
2:3.28.4-0ubuntu0.14.04.5+esm12
Available with Ubuntu Pro
After a standard system update you need to restart any applications that
use NSS to make all the necessary changes.