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Vulnerability of libmysofa: use after free via mysofa2json

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via mysofa2json of libmysofa, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: openSUSE Leap, SLES.
Severity of this threat: 2/4.
Creation date: 18/03/2021.
Références of this weakness: CVE-2019-20063, openSUSE-SU-2021:0444-1, openSUSE-SU-2021:0459-1, VIGILANCE-VUL-34886.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via mysofa2json of libmys...
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This computer threat alert impacts software or systems such as openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this weakness announce is medium.

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

An attacker with a expert ability can exploit this computer weakness bulletin.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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