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OpenAdvisories
High USN-4453-1 8 CVEs

openjdk-8 vulnerabilities

Published Aug 5, 2020 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

Johannes Kuhn discovered that OpenJDK 8 incorrectly handled access control
contexts. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2020-14556)

Philippe Arteau discovered that OpenJDK 8 incorrectly verified names in
TLS server's X.509 certificates. An attacker could possibly use this
issue to obtain sensitive information. (CVE-2020-14577)

It was discovered that OpenJDK 8 incorrectly handled exceptions in
DerInputStream class and in the DerValue.equals() method. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2020-14578, CVE-2020-14579)

It was discovered that OpenJDK 8 incorrectly handled image files. An
attacker could possibly use this issue to obtain sensitive information.
(CVE-2020-14581)

Markus Loewe discovered that OpenJDK 8 incorrectly handled concurrent
access in java.nio.Buffer class. An attacker could use this issue to
bypass sandbox restrictions.
(CVE-2020-14583)

It was discovered that OpenJDK 8 incorrectly handled transformation of
images. An attacker could possibly use this issue to bypass sandbox
restrictions and insert, edit or obtain sensitive information.
(CVE-2020-14593)

Roman Shemyakin discovered that OpenJDK 8 incorrectly handled XML files.
An attacker could possibly use this issue to insert, edit or obtain
sensitive information. (CVE-2020-14621)

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS openjdk-8 8u265-b01-0ubuntu2~16.04
Ubuntu · 18.04 LTS 18.04:LTS openjdk-8 8u265-b01-0ubuntu2~18.04
Ubuntu · 20.04 LTS 20.04:LTS openjdk-8 8u265-b01-0ubuntu2~20.04

Vulnerabilities 8

References

  • report
    https://ubuntu.com/security/CVE-2020-14556
  • report
    https://ubuntu.com/security/CVE-2020-14577
  • report
    https://ubuntu.com/security/CVE-2020-14578
  • report
    https://ubuntu.com/security/CVE-2020-14579
  • report
    https://ubuntu.com/security/CVE-2020-14581
  • report
    https://ubuntu.com/security/CVE-2020-14583
  • report
    https://ubuntu.com/security/CVE-2020-14593
  • report
    https://ubuntu.com/security/CVE-2020-14621