Ubuntu Security Notice USN-6733-2

Ubuntu Security Notice 6733-2 - USN-6733-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding updates for Ubuntu 24.04 LTS. It was discovered that GnuTLS had a timing side-channel when performing certain ECDSA operations. A remote attacker could possibly use this issue to recover sensitive information. It was discovered that GnuTLS incorrectly handled verifying certain PEM bundles. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected …

attacker channel ecdsa gnutls information issue lts notice operations pem performing recover security security notice sensitive sensitive information side-channel ubuntu update updates usn vulnerabilities