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Vulnerability of Jasper: NULL pointer dereference via jp2_decode

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via jp2_decode() of Jasper, in order to trigger a denial of service.
Vulnerable systems: Fedora.
Severity of this threat: 1/4.
Creation date: 12/02/2021.
Références of this weakness: CVE-2021-26927, FEDORA-2021-0c18ee6369, FEDORA-2021-7716e59d84, VIGILANCE-VUL-34574.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via jp2_decode() of Jasper, in order to trigger a denial of service.
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This computer vulnerability announce impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

Fedora 32: new jasper packages.
New packages are available:
  Fedora 32: jasper 2.0.25-1.fc32

Fedora 33: new jasper packages.
New packages are available:
  Fedora 33: jasper 2.0.25-1.fc33
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