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Vulnerability of PCRE: out-of-bounds memory reading via do_extuni_no_utf

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via do_extuni_no_utf() of PCRE, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Fedora, Solaris, RHEL.
Severity of this announce: 2/4.
Creation date: 09/07/2020.
Références of this computer vulnerability: CVE-2019-20454, FEDORA-2020-b11cf352bd, RHSA-2020:3662-01, VIGILANCE-VUL-32761.

Description of the vulnerability 

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

Our Vigil@nce team determined that the severity of this weakness alert 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 note.

Solutions for this threat 

Fedora 31: new mingw-pcre2 packages.
New packages are available:
  Fedora 31: mingw-pcre2 10.33-3.fc31

Oracle Solaris: patch for third party software of April 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 8: new php-7.3 module.
The following module is updated:
  RHEL 8 Module: php:7.3

Wind River Linux: version 10.18.44.15.
The version 10.18.44.15 is fixed:
  https://support2.windriver.com/

Wind River Linux: version 10.19.45.6.
The version 10.19.45.6 is fixed:
  https://support2.windriver.com/
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