CVE-2026-83374: openjdk-8 vulnerabilities
Affects openjdk-8Source GCVE Database
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
Thin evidence
One scorer or none| CNA (oracle) | CVSS 3.1 | 5.9 |
|---|
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10openjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=stonkingOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 22.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=jammyOther threats | Affected
| Fixed in
|
Ubuntu Pro 20.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in
|
Ubuntu Pro 18.04 LTSopenjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in
|
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
- ubuntu.com/security/notices/USN-9009-1 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83374 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83376 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83380 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83381 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83387 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83395 (opens in a new tab)
- ubuntu.com/security/CVE-2026-83400 (opens in a new tab)
- ubuntu.com/security/CVE-2026-87290 (opens in a new tab)
- ubuntu.com/security/CVE-2026-87292 (opens in a new tab)
- ubuntu.com/security/CVE-2026-87293 (opens in a new tab)
- ubuntu.com/security/CVE-2026-87294 (opens in a new tab)
- ubuntu.com/security/CVE-2026-87367 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91334 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91335 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91373 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91374 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91380 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91381 (opens in a new tab)
- ubuntu.com/security/CVE-2026-91382 (opens in a new tab)