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VulnerabilityPublished

CVE-2026-83374: openjdk-8 vulnerabilities

Affects openjdk-8Source GCVE Database

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Authoritative record:CVE-2026-83374· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium · fixed in 8u512-b09~us1-0ubuntu1~16.04.1 : update openjdk-8 when convenient.

Data as of 10 Nov 2026, 03:50 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (oracle)CVSS 3.15.9
Patch
Available – fixed in 8u512-b09~us1-0ubuntu1~16.04.1, 8u512-b09~us1-0ubuntu1~18.04.1, 8u512-b09~us1-0ubuntu1~20.04.1 +4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Ubuntu 26.10openjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=stonkingOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~26.10.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~26.10.1
Ubuntu 26.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=resoluteOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~26.04.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~26.04.1
Ubuntu 24.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=nobleOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~24.04.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~24.04.1
Ubuntu 22.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=jammyOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~22.04.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~22.04.1
Ubuntu Pro 20.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=esm-apps/focalOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~20.04.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~20.04.1
Ubuntu Pro 18.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=esm-apps/bionicOther threatsAffected
  • <8u512-b09~us1-0ubuntu1~18.04.1
Fixed in
  • 8u512-b09~us1-0ubuntu1~18.04.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Patches addressing these vulnerabilities are available in OpenJDK 8 package versions 8u512-b09 and later for supported Ubuntu releases. Users should apply these official updates promptly to remediate the issues. No additional mitigation actions are indicated beyond applying the provided fixes.

Description

Multiple vulnerabilities affecting various components of OpenJDK 8 have been discovered, including issues in Security, JSSE, JAAS, JDBC, Networking, JAXP, RMI, ImageIO, AWT, Serviceability, Utility, 2D, Sound, Libraries, and JGSS components. These vulnerabilities involve incorrect authentication or authorization, potentially allowing remote attackers to read or modify sensitive data or cause denial of service. The affected versions include multiple Ubuntu package builds prior to 8u512-b09. Fixes are available in updated package versions.

References

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