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Vigil@nce - Jasper: out-of-bounds memory reading via jp2_decode

April 2021 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora.

Severity: 2/4.

Consequences: data reading, denial of service on service, denial
of service on client.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 12/02/2021.

DESCRIPTION OF THE VULNERABILITY

An attacker can force a read at an invalid address via
jp2_decode() of Jasper, in order to trigger a denial of service,
or to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Jasper-out-of-bounds-memory-reading-via-jp2-decode-34573


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