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Vulnerability of Mercurial: memory corruption via mpatch_apply

Synthesis of the vulnerability 

An attacker can generate a memory corruption via mpatch_apply() of Mercurial, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, openSUSE Leap, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 2/4.
Creation date: 19/07/2018.
Références of this threat: bulletinjan2019, CVE-2018-13346, DLA-2293-1, openSUSE-SU-2018:2023-1, openSUSE-SU-2018:2132-1, RHSA-2019:2276-01, SUSE-SU-2018:1990-1, SUSE-SU-2018:1996-1, SUSE-SU-2018:1998-1, VIGILANCE-VUL-26805.

Description of the vulnerability 

An attacker can generate a memory corruption via mpatch_apply() of Mercurial, in order to trigger a denial of service, and possibly to run code.
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This threat note impacts software or systems such as Debian, openSUSE Leap, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity note 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 vulnerability note.

Solutions for this threat 

Debian 9: new mercurial packages.
New packages are available:
  Debian 9: mercurial 4.0-1+deb9u2

openSUSE Leap 15.0: new mercurial packages.
New packages are available:
  openSUSE Leap 15.0: mercurial 4.5.2-lp150.2.3.1

openSUSE Leap 42.3: new mercurial packages.
New packages are available:
  openSUSE Leap 42.3: mercurial 4.2.3-15.1

Oracle Solaris: patch for third party software of January 2019 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7: new mercurial packages.
New packages are available:
  RHEL 7: mercurial 2.6.2-10.el7

SUSE LE: new mercurial packages.
New packages are available:
  SUSE LE 11 SP4: mercurial 2.3.2-0.18.9.1
  SUSE LE 12 SP3: mercurial 2.8.2-15.13.1
  SUSE LE 15 RTM: mercurial 4.5.2-3.3.1

Wind River Linux: solution (16/10/2018).
The solution is indicated in information sources.
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