USN-8677-1

It was discovered that the JSSE component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-46968)

It was discovered that the JSSE component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-46917)

It was discovered that the ImageIO component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-47010)

It was discovered that the 2D component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-47021, CVE-2026-47059)

It was discovered that the Libraries component of OpenJDK 21 did not correctly authorize users. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-47027)

It was discovered that the Security component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-60147)

It was discovered that the Libraries component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to read or modify sensitive data. (CVE-2026-47063)

It was discovered that the 2D (Little CMS) component of OpenJDK 21 did not correctly handle certain integer arithmetic. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-41254)

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-07-21