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CVE-2026-23865VulnerabilityPublished Updated

Openjdk 8: An integer overflow

Affects openjdk-8Source GCVE Database

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Not known to be exploited · CVSS 5.3 Medium · fixed in 8u492-ga~us2-0ubuntu1~16.04.1 : update openjdk-8 when convenient.

Data as of 9 Nov 2026, 23:33 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8u492-ga~us2-0ubuntu1~16.04.1, 11.0.31+11-1ubuntu1~18.04.2, 17.0.19+10-1~18.04.2 +35
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Mar 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-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-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-25-cracpkg:deb/ubuntu/openjdk-25-crac?arch=source&distro=stonkingOther threatsAffected
  • =25.0.2+10-0ubuntu1
  • =25.0.3+9-0ubuntu1
  • =25.0.4+7-0ubuntu1
Fixed in–
Ubuntu 26.10openjdk-8pkg:deb/ubuntu/openjdk-8?arch=source&distro=stonkingOther threatsAffected
  • 8u482-ga~us1-0ubuntu1 – 8u512-b09~us1-0ubuntu1~26.10.1
5 affected builds
Fixed in–
Ubuntu 26.04 LTSopenjdk-17pkg:deb/ubuntu/openjdk-17?arch=source&distro=resoluteOther threatsAffected
  • <17.0.19+10-1~26.04.2
Fixed in
  • 17.0.19+10-1~26.04.2
Ubuntu 26.04 LTSopenjdk-17-cracpkg:deb/ubuntu/openjdk-17-crac?arch=source&distro=resoluteOther threatsAffected
  • <17.0.19+10-0ubuntu1~26.04.1
Fixed in
  • 17.0.19+10-0ubuntu1~26.04.1

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. Fixed versions include OpenJDK packages updated to 8u492-ga~us2-0ubuntu1~16.04.1 and later, as well as Freetype 2.14.2. Users should update to these fixed versions as per the vendor advisories linked in the references.

Description

An integer overflow vulnerability exists in the tt_var_load_item_variation_store function of the Freetype library versions 2.13.2 and 2.13.3. This flaw may lead to an out-of-bounds read when parsing HVAR, VVAR, or MVAR tables in OpenType variable fonts. The issue affects certain OpenJDK 8 versions and related Ubuntu packages and has been fixed in Freetype version 2.14.2.

References

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