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Vulnerability of Zstandard: buffer overflow via One-pass Compression

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via One-pass Compression of Zstandard, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: openSUSE Leap, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 13/08/2019.
Références of this weakness: CVE-2019-11922, openSUSE-SU-2019:1845-1, openSUSE-SU-2019:1952-1, openSUSE-SU-2019:2008-1, USN-4108-1, VIGILANCE-VUL-30026.

Description of the vulnerability 

An attacker can trigger a buffer overflow via One-pass Compression of Zstandard, in order to trigger a denial of service, and possibly to run code.
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This security alert impacts software or systems such as openSUSE Leap, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security weakness 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 security announce.

Solutions for this threat 

openSUSE Leap 15.0: new zstd packages.
New packages are available:
  openSUSE Leap 15.0: zstd 1.4.2-lp150.2.3.1

openSUSE Leap 15.1: new zstd packages.
New packages are available:
  openSUSE Leap 15.1: zstd 1.4.2-lp151.3.3.1

SUSE LE 15: new zstd packages.
New packages are available:
  SUSE LE 15 RTM: zstd 1.4.2-bp150.3.3.1
  SUSE LE 15 SP1: zstd 1.4.2-bp151.4.3.1

Ubuntu 18.04: new zstd packages.
New packages are available:
  Ubuntu 18.04 LTS: zstd 1.3.3+dfsg-2ubuntu1.1
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