medium
5.5
CWE
476 125
Advisory Published
CVE Published
Updated

CVE-2020-27842: Null Pointer Dereference

First published: Mon Dec 14 2020(Updated: )

A flaw was found in OpenJPEG. Specially crafted file can lead to an out-of-bounds read in opj_tgt_reset function in lib/openjp2/tgt.c. Reference: <a href="https://github.com/uclouvain/openjpeg/issues/1294">https://github.com/uclouvain/openjpeg/issues/1294</a>

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/openjpeg<2.4.0
2.4.0
Uclouvain Openjpeg<2.4.0
Fedoraproject Extra Packages For Enterprise Linux=7.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Redhat Codeready Linux Builder=8.0
Redhat Codeready Linux Builder For Ibm Z Systems=8.0
Redhat Codeready Linux Builder For Power Little Endian=8.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux For Ibm Z Systems=8.0
Redhat Enterprise Linux For Power Little Endian=8.0
Oracle Outside In Technology=8.5.5
debian/openjpeg2
2.4.0-3
2.5.0-2
IBM Pub<=7.0.1
IBM Pub<=7.0.2
IBM Pub<=7.0
IBM Engineering Requirements Quality Assistant On-Premises<=All
IBM DOORS Next<=7.0.2
IBM DOORS Next<=7.0
IBM DOORS Next<=7.0.1
IBM CLM<=6.0.6.1
IBM CLM<=6.0.6
IBM ELM<=7.0.2
IBM ELM<=7.0
IBM ELM<=7.0.1
IBM EWM<=7.0.2
IBM EWM<=7.0.1
IBM RTC<=6.0.6.1
IBM EWM<=7.0
IBM RTC<=6.0.6

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1907513

Remedy

https://www.oracle.com//security-alerts/cpujul2021.html

Remedy

https://www.oracle.com/security-alerts/cpuApr2021.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-27842?

    CVE-2020-27842 is a vulnerability in openjpeg's t2 encoder in versions prior to 2.4.0.

  • How does CVE-2020-27842 impact application availability?

    The highest impact of CVE-2020-27842 is to application availability.

  • Which software versions are affected by CVE-2020-27842?

    Versions prior to 2.4.0 of openjpeg's t2 encoder are affected by CVE-2020-27842.

  • Where can I find more information about CVE-2020-27842?

    You can find more information about CVE-2020-27842 at the following references: [link1], [link2], [link3].

  • How can I fix the CVE-2020-27842 vulnerability?

    To fix the CVE-2020-27842 vulnerability, update openjpeg to version 2.4.0 or higher.

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