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Fencer Intel
low 3.7

CVE-2026-87255 json

Vulnerability in Oracle Java SE (component: Compiler).

published 22d ago modified 15d ago also EUVD-2026-106329

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 25.0.4.1 and 27. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of 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 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Patch / fix

  • openjdk-25 Debian 13 25.0.5+8-1~deb13u1
  • openjdk-25 Debian 14 25.0.5+8-1

debian advisories DEBIAN-CVE-2026-87255

  • openjdk-25 Ubuntu 22.04 LTS 25.0.5.0.3+1-1~22.04.1
  • openjdk-25 Ubuntu 24.04 LTS 25.0.5.0.3+1-1~24.04.1
  • openjdk-25 Ubuntu 26.10 25.0.5.0.3+1-1~26.10.1
  • openjdk-25 Ubuntu 26.04 LTS 25.0.5.0.3+1-1~26.04.1
  • openjdk-27 Ubuntu 26.10 27.0.1.0.3+1-1~26.10.1

ubuntu advisories UBUNTU-CVE-2026-87255

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • java-25-openj9 openSUSE Tumbleweed 25.0.5.0-1.1
  • java-25-openjdk openSUSE Tumbleweed 25.0.5.0-1.1

opensuse advisories openSUSE-SU-2026:12436-1openSUSE-SU-2026:12329-1

  • java-25-openjdk AlmaLinux 10 1:25.0.5.0.8-1.0.el10.alma.1
  • java-25-openjdk AlmaLinux 9 1:25.0.5.0.8-1.0.el9.alma.1
  • java-25-openjdk-src AlmaLinux 10 1:25.0.5.0.8-1.0.el10.alma.1
  • java-25-openjdk-src AlmaLinux 9 1:25.0.5.0.8-1.0.el9.alma.1
  • java-25-openjdk-demo AlmaLinux 10 1:25.0.5.0.8-1.0.el10.alma.1
  • java-25-openjdk-demo AlmaLinux 9 1:25.0.5.0.8-1.0.el9.alma.1
  • java-25-openjdk-jmods AlmaLinux 10 1:25.0.5.0.8-1.0.el10.alma.1
  • java-25-openjdk-jmods AlmaLinux 9 1:25.0.5.0.8-1.0.el9.alma.1

almalinux advisories ALSA-2026:88347

  • java-25-openjdk Rocky Linux 9 1:25.0.5.0.8-1.0.el9_8

rocky linux advisories RLSA-2026:88347

  • openjdk21 Alpine 3.24, Alpine 3.23 21.0.13.0.3_p1-r0
  • openjdk25 Alpine 3.24, Alpine 3.23 25.0.5.0.3_p1-r0

alpine advisories ALPINE-CVE-2026-87255

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2026-87255 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-87255 updated cvss 3.7

openjdk: Enhance Vector Processing (Oracle CPU 2026-10)

  • Red Hat Enterprise Linux 6 java-1.6.0-openjdk, java-1.7.0-openjdk, java-1.8.0-openjdk, java-1.6.0-openjdk-src, java-1.7.0-openjdk-src, java-1.8.0-openjdk-src, +7 more Red Hat Enterprise Linux 7 java-1.6.0-openjdk, java-1.7.0-openjdk, java-1.6.0-openjdk-src, java-1.7.0-openjdk-src, java-1.6.0-openjdk-demo, java-1.7.0-openjdk-demo, +4 more
    affected: no fix planned “Out of support scope”
  • Red Hat Build of OpenJDK 25.0.5
    fixed: vendor fix RHSA-2026:88348
  • Red Hat Enterprise Linux AppStream (v. 9) java-25-openjdk 25.0.5.0.8-1.0.el9, java-25-openjdk-src 25.0.5.0.8-1.0.el9, java-25-openjdk-demo 25.0.5.0.8-1.0.el9, java-25-openjdk-jmods 25.0.5.0.8-1.0.el9, java-25-openjdk-javadoc 25.0.5.0.8-1.0.el9, java-25-openjdk-headless 25.0.5.0.8-1.0.el9, +3 more Red Hat Enterprise Linux AppStream (v. 10) java-25-openjdk 25.0.5.0.8-1.0.el10, java-25-openjdk-src 25.0.5.0.8-1.0.el10, java-25-openjdk-demo 25.0.5.0.8-1.0.el10, java-25-openjdk-jmods 25.0.5.0.8-1.0.el10, java-25-openjdk-javadoc 25.0.5.0.8-1.0.el10, java-25-openjdk-headless 25.0.5.0.8-1.0.el10, +3 more Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-25-openjdk-fastdebug 25.0.5.0.8-1.0.el9, java-25-openjdk-slowdebug 25.0.5.0.8-1.0.el9, java-25-openjdk-src-fastdebug 25.0.5.0.8-1.0.el9, java-25-openjdk-src-slowdebug 25.0.5.0.8-1.0.el9, java-25-openjdk-demo-fastdebug 25.0.5.0.8-1.0.el9, java-25-openjdk-demo-slowdebug 25.0.5.0.8-1.0.el9, +10 more Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) java-25-openjdk-fastdebug 25.0.5.0.8-1.0.el10, java-25-openjdk-slowdebug 25.0.5.0.8-1.0.el10, java-25-openjdk-src-fastdebug 25.0.5.0.8-1.0.el10, java-25-openjdk-src-slowdebug 25.0.5.0.8-1.0.el10, java-25-openjdk-demo-fastdebug 25.0.5.0.8-1.0.el10, java-25-openjdk-demo-slowdebug 25.0.5.0.8-1.0.el10, +10 more
    fixed: vendor fix RHSA-2026:88347
  • Red Hat Hardened Images java-25-openjdk 25.0.5.0.8-3.1.hum1, java-25-openjdk-src 25.0.5.0.8-3.1.hum1, java-25-openjdk-demo 25.0.5.0.8-3.1.hum1, java-25-openjdk-jmods 25.0.5.0.8-3.1.hum1, java-25-openjdk-javadoc 25.0.5.0.8-3.1.hum1, java-25-openjdk-headless 25.0.5.0.8-3.1.hum1, +29 more
    fixed: vendor fix RHSA-2026:94625
  • Red Hat Temurin Build of OpenJDK 25.0.4.1
    fixed: vendor fix RHSA-2026:90912
  • Red Hat build of OpenJDK 1.8 java-1.8.0-openjdk-windows, java-1.8.0-openjdk-portable Red Hat build of OpenJDK 11 ELS java-11-openjdk, java-11-openjdk-windows, java-11-openjdk-portable Red Hat build of OpenJDK 17 java-17-openjdk-windows, java-17-openjdk-portable Red Hat build of OpenJDK 21 java-21-openjdk-windows, java-21-openjdk-portable Red Hat Enterprise Linux 7 java-1.8.0-openjdk, java-1.8.0-openjdk-src, java-1.8.0-openjdk-demo, java-1.8.0-openjdk-javadoc, java-1.8.0-openjdk-headless, java-1.8.0-openjdk-javadoc-zip, +1 more Red Hat Enterprise Linux 8 java-1.8.0-ibm, java-17-openjdk, java-21-openjdk, java-1.8.0-ibm-src, java-1.8.0-openjdk, java-1.8.0-ibm-demo, +64 more
    +3 more products
    Red Hat Enterprise Linux 9 java-17-openjdk, java-21-openjdk, java-1.8.0-openjdk, java-17-openjdk-src, java-21-openjdk-src, java-17-openjdk-demo, +54 more Red Hat Enterprise Linux 10 java-21-openjdk, java-21-ibm-semeru-certified-jdk Red Hat Hardened Images java-21-openjdk, java-17-openjdk-portable, java-21-openjdk-portable
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15d ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Oracle Corporation Oracle Java SE

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.