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OpenAdvisories
High USN-4433-1 8 CVEs

openjdk-lts vulnerabilities

Published Jul 23, 2020 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

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

It was discovered that OpenJDK incorrectly handled memory allocation when
reading TIFF image files. An attacker could possibly use this issue to
cause a denial of service. (CVE-2020-14562)

It was discovered that OpenJDK incorrectly handled input data. An
attacker could possibly use this issue to insert, edit or obtain
sensitive information. (CVE-2020-14573)

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

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

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

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS openjdk-lts 11.0.8+10-0ubuntu1~18.04.1
Ubuntu · 20.04 LTS 20.04:LTS openjdk-lts 11.0.8+10-0ubuntu1~20.04

Vulnerabilities 8

References

  • report
    https://ubuntu.com/security/CVE-2020-14556
  • report
    https://ubuntu.com/security/CVE-2020-14562
  • report
    https://ubuntu.com/security/CVE-2020-14573
  • report
    https://ubuntu.com/security/CVE-2020-14577
  • 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