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VulnerabilityPublished Updated

CVE-2026-47057: Openjdk 8 · Vulnerability in Oracle Java SE (component: Scripting)

Affects openjdk-8Source GCVE Database

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Authoritative record:CVE-2026-47057· High 7.5

Not known to be exploited · CVSS 7.5 High · fixed in 8u502-ga~us1-0ubuntu1~16.04 : patch openjdk-8 soon.

Data as of 9 Nov 2026, 06:51 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 8u502-ga~us1-0ubuntu1~16.04, 11.0.32+9-1ubuntu1~18.04, 8u502-ga~us1-0ubuntu1~18.04 +10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Jul 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 8 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Ubuntu 26.10openjdk-17pkg:deb/ubuntu/openjdk-17?arch=source&distro=stonkingOther threatsAffected
  • 17.0.18+8-1 – 17.0.21~6ea-1
6 affected builds
Fixed in–
Ubuntu 26.10openjdk-17-cracpkg:deb/ubuntu/openjdk-17-crac?arch=source&distro=stonkingOther threatsAffected
  • =17.0.18+8-0ubuntu1
  • =17.0.19+10-0ubuntu1
  • =17.0.20+8-0ubuntu1
Fixed in–
Ubuntu 26.10openjdk-21pkg:deb/ubuntu/openjdk-21?arch=source&distro=stonkingOther threatsAffected
  • 21.0.11+10-1 – 21.0.12~5ea-1
5 affected builds
Fixed in–
Ubuntu 26.10openjdk-21-cracpkg:deb/ubuntu/openjdk-21-crac?arch=source&distro=stonkingOther threatsAffected
  • =21.0.10+7-0ubuntu1
  • =21.0.11+10-0ubuntu1
  • =21.0.12+8-0ubuntu1
Fixed in–
Ubuntu 26.10openjdk-25pkg:deb/ubuntu/openjdk-25?arch=source&distro=stonkingOther threatsAffected
  • 25.0.3+9-2 – 25.0.5.0.3+1-1~26.10.1
6 affected builds
Fixed in–
Ubuntu 26.10openjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=stonkingOther threatsAffected
  • <8u502-ga~us1-0ubuntu1
Fixed in
  • 8u502-ga~us1-0ubuntu1

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

AI-suggested

A patch is available and should be applied by updating to OpenJDK 8 package versions 8u502-ga or later and OpenJDK 11 package versions 11.0.32 or later as provided by the vendor. After updating, restart any running Java applications to ensure the fix takes effect. No additional mitigation steps are required beyond applying the official updates.

Description

A vulnerability in the Scripting component of Oracle Java SE (OpenJDK 8 and 11) allows an unauthenticated remote attacker to cause a denial of service by triggering a hang or repeated crash. This issue affects certain versions of OpenJDK 8 and 11 prior to fixed releases. The vulnerability can be exploited via network access through multiple protocols and involves APIs that process untrusted code, such as sandboxed Java Web Start applications or applets. The CVSS 3.1 base score is 7.5, indicating high severity with impact on availability. Fixed versions are available and should be applied to mitigate the risk.

References

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