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Vulnerability of libsolv: out-of-bounds memory reading via repodata_schema2id

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via repodata_schema2id() of libsolv, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: RHEL.
Severity of this announce: 2/4.
Creation date: 04/11/2020.
Références of this computer vulnerability: CVE-2019-20387, RHSA-2020:4508-01, VIGILANCE-VUL-33799.

Description of the vulnerability 

An attacker can force a read at an invalid address via repodata_schema2id() of l...
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This security note impacts software or systems such as RHEL.

Our Vigil@nce team determined that the severity of this threat 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 announce.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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