The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of pngcheck: buffer overflow

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow of pngcheck, in order to trigger a denial of service, and possibly to run code.
Impacted products: Fedora.
Severity of this bulletin: 2/4.
Creation date: 23/12/2020.
Références of this threat: FEDORA-2020-daffd78c3d, FEDORA-2020-f3a397cbf8, RHBUG-1902806, VIGILANCE-VUL-34197.

Description of the vulnerability 

An attacker can trigger a buffer overflow of pngcheck, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This threat note impacts software or systems such as Fedora.

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 

Fedora 32-33: new pngcheck packages.
New packages are available:
  Fedora 32: pngcheck 2.4.0-5.fc32
  Fedora 33: pngcheck 2.4.0-5.fc33
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a computers vulnerabilities workaround. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.