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Vulnerability of libexif: infinite loop via XIF_IFD_INTEROPERABILITY

Synthesis of the vulnerability 

An attacker can trigger an infinite loop via XIF_IFD_INTEROPERABILITY of libexif, in order to trigger a denial of service.
Vulnerable software: Fedora, Solaris, SUSE Linux Enterprise Desktop, SLES.
Severity of this announce: 2/4.
Creation date: 15/02/2019.
Références of this computer vulnerability: CVE-2018-20030, FEDORA-2019-02e13cb1a8, FEDORA-2019-e2f47b40a3, SUSE-SU-2020:0457-1, SUSE-SU-2020:0458-1, VIGILANCE-VUL-28519.

Description of the vulnerability 

An attacker can trigger an infinite loop via XIF_IFD_INTEROPERABILITY of libexif, in order to trigger a denial of service.
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This security note impacts software or systems such as Fedora, Solaris, SUSE Linux Enterprise Desktop, SLES.

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 

Fedora: new libexif packages.
New packages are available:
  Fedora 28: libexif 0.6.21-19.fc28
  Fedora 29: libexif 0.6.21-19.fc29

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

SUSE LE 12: new libexif packages.
New packages are available:
  SUSE LE 12 SP1: libexif 0.6.21-8.6.1
  SUSE LE 12 SP2: libexif 0.6.21-8.6.1
  SUSE LE 12 SP3: libexif 0.6.21-8.6.1
  SUSE LE 12 SP4: libexif 0.6.21-8.6.1
  SUSE LE 12 SP5: libexif 0.6.21-8.6.1

SUSE LE 15: new libexif packages.
New packages are available:
  SUSE LE 15 RTM: libexif 0.6.21-5.3.1
  SUSE LE 15 SP1: libexif 0.6.21-5.3.1

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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