CVE-2026-46968

Description

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openjdk-8	26.04 LTS resolute	Fixed 8u502-ga~us1-0ubuntu1~26.04
	24.04 LTS noble	Fixed 8u502-ga~us1-0ubuntu1~24.04
	22.04 LTS jammy	Fixed 8u502-ga~us1-0ubuntu1~22.04
	20.04 LTS focal	Fixed 8u502-ga~us1-0ubuntu1~20.04
	18.04 LTS bionic	Fixed 8u502-ga~us1-0ubuntu1~18.04
	16.04 LTS xenial	Fixed 8u502-ga~us1-0ubuntu1~16.04
openjdk-9	26.04 LTS resolute	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	16.04 LTS xenial	Ignored no longer supported by upstream
openjdk-lts	26.04 LTS resolute	Fixed 11.0.32+9-1ubuntu1~26.04
	24.04 LTS noble	Fixed 11.0.32+9-1ubuntu1~24.04
	22.04 LTS jammy	Fixed 11.0.32+9-1ubuntu1~22.04
	20.04 LTS focal	Fixed 11.0.32+9-1ubuntu1~20.04
	18.04 LTS bionic	Fixed 11.0.32+9-1ubuntu1~18.04
openjdk-13	26.04 LTS resolute	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Ignored superseded by openjdk-17
openjdk-16	26.04 LTS resolute	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Ignored superseded by openjdk-17
openjdk-17	26.04 LTS resolute	Fixed 17.0.20+8-1~26.04
	24.04 LTS noble	Fixed 17.0.20+8-1~24.04
	22.04 LTS jammy	Fixed 17.0.20+8-1~22.04
	20.04 LTS focal	Fixed 17.0.20+8-1~20.04
	18.04 LTS bionic	Fixed 17.0.20+8-1~18.04
openjdk-17-crac	26.04 LTS resolute	Needs evaluation
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
openjdk-18	26.04 LTS resolute	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Ignored superseded by openjdk-19
openjdk-21	26.04 LTS resolute	Fixed 21.0.12+8-1~26.04
	24.04 LTS noble	Fixed 21.0.12+8-1~24.04
	22.04 LTS jammy	Fixed 21.0.12+8-1~22.04
	20.04 LTS focal	Fixed 21.0.12+8-1~20.04
openjdk-21-crac	26.04 LTS resolute	Needs evaluation
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
openjdk-25	26.04 LTS resolute	Fixed 25.0.4+7-1~26.04
	24.04 LTS noble	Fixed 25.0.4+7-1~24.04
	22.04 LTS jammy	Fixed 25.0.4+7-1~22.04
openjdk-26	26.04 LTS resolute	Needs evaluation
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	High
Availability impact	None

Scores

Parameter	Value
Base score	5.9 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-8673-1
OpenJDK 8 vulnerabilities
25 August 2026

USN-8681-1
OpenJDK 25 vulnerabilities
26 August 2026

USN-8677-1
OpenJDK 21 vulnerabilities
25 August 2026

USN-8676-1
OpenJDK 17 vulnerabilities
25 August 2026

USN-8674-1
OpenJDK 11 vulnerabilities
25 August 2026