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  5. CVE-2020-27844

CVE-2020-27844: Out-of-bounds Write

January 5, 2021 (updated July 20, 2021)

A flaw was found in openjpeg’s src/lib/openjp2/t2.c This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

  • bugzilla.redhat.com/show_bug.cgi?id=1907521
  • nvd.nist.gov/vuln/detail/CVE-2020-27844

Code Behaviors & Features

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Affected versions

All versions before 2.4.0

Fixed versions

  • 2.4.0

Solution

Upgrade to version 2.4.0 or above.

Impact 7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-122: Heap-based Buffer Overflow
  • CWE-20: Improper Input Validation
  • CWE-787: Out-of-bounds Write

Source file

conan/openjpeg/CVE-2020-27844.yml

Spotted a mistake? Edit the file on GitLab.

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