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Vulnerability of libbfd: NULL pointer dereference via read_reloc

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via read_reloc() of libbfd, in order to trigger a denial of service.
Impacted products: openSUSE Leap, SIMATIC, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 15/10/2019.
Références of this threat: CVE-2018-18309, openSUSE-SU-2019:2415-1, openSUSE-SU-2019:2432-1, SSB-439005, SUSE-SU-2019:2650-1, USN-4336-1, VIGILANCE-VUL-30621.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via read_reloc() of libbfd, in order to trigger a denial of service.
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This weakness announce impacts software or systems such as openSUSE Leap, SIMATIC, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

Solutions for this threat 

openSUSE Leap 15.0: new binutils packages (31/10/2019).
New packages are available:
  openSUSE Leap 15.0: binutils 2.32-lp150.10.1

openSUSE Leap 15.1: new binutils packages.
New packages are available:
  openSUSE Leap 15.1: binutils 2.32-lp151.3.3.1

SIMATIC S7-1500 CPU 1518: workaround for GNU/Linux Vulnerabilities.
A workaround is indicated in the information source.

SUSE LE 12: new binutils packages.
New packages are available:
  SUSE LE 12 SP1: binutils 2.32-9.33.1
  SUSE LE 12 SP2: binutils 2.32-9.33.1
  SUSE LE 12 SP3: binutils 2.32-9.33.1
  SUSE LE 12 SP4: binutils 2.32-9.33.1
  SUSE LE 12 SP5: binutils 2.32-9.33.1

Ubuntu 18.04 LTS: new binutils packages.
New packages are available:
  Ubuntu 18.04 LTS: binutils 2.30-21ubuntu1~18.04.3, binutils-multiarch 2.30-21ubuntu1~18.04.3

Wind River Linux: solution (28/11/2018).
The solution is indicated in information sources.
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