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It was discovered that NSS incorrectly handled client authentication
without a user certificate in the database. A remote attacker could
possibly use this issue to cause a NSS client to crash, resulting in a
denial of service. This issue only affected Ubuntu 22.10. (CVE-2022-3479)
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)