Ubuntu Security Notice 4990-1 - It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly use this issue to perform a variant of the Bleichenbacher attack. This issue only affected Ubuntu 18.04 LTS. Various other issues were also addressed.
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Slackware Security Advisory - New nettle packages are available for Slackware 14.2 and -current to fix security issues.
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