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vulnerability note CVE-2019-7663

LibTIFF: NULL pointer dereference via TIFFWriteDirectoryTagTransfer

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via TIFFWriteDirectoryTagTransfer() of LibTIFF, in order to trigger a denial of service.
Impacted software: Debian, LibTIFF.
Severity of this computer vulnerability: 2/4.
Consequences of a hack: denial of service on service, denial of service on client.
Attacker's origin: document.
Creation date: 11/02/2019.
Références of this announce: 2833, CVE-2019-7663, DLA-1680-1, VIGILANCE-VUL-28474.

Description of the vulnerability

An attacker can force a NULL pointer to be dereferenced via TIFFWriteDirectoryTa...
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