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Vulnerability of radare2: out-of-bounds memory reading via r_egg_lang_parsechar

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via r_egg_lang_parsechar() of radare2, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Fedora.
Severity of this announce: 2/4.
Creation date: 16/07/2019.
Références of this computer vulnerability: CVE-2019-12790, FEDORA-2019-2a16e1ab93, FEDORA-2019-e612286002, VIGILANCE-VUL-29773.

Description of the vulnerability 

An attacker can force a read at an invalid address via r_egg_lang_parsechar() of radare2, in order to trigger a denial of service, or to obtain sensitive information.
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This threat impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this computer threat 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 cybersecurity bulletin.

Solutions for this threat 

Fedora 29: new radare2 packages.
New packages are available:
  Fedora 29: radare2 3.6.0-1.fc29

Fedora 30: new cutter-re packages.
New packages are available:
  Fedora 30: cutter-re 1.8.3-1.fc30

Fedora 30: new radare2 packages.
New packages are available:
  Fedora 30: radare2 3.6.0-1.fc30
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