Debian Security Advisory
DLA-3032-1 pngcheck -- LTS security update
- Date Reported:
- 29 May 2022
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 976350.
In Mitre's CVE dictionary: CVE-2020-27818.
- More information:
A flaw was found in the check_chunk_name() function of pngcheck, a tool to verify the integrity of PNG, JNG and MNG files. This flaw allows an attacker who can pass a malicious file to be processed by pngcheck to cause a temporary denial of service.
For Debian 9 stretch, this problem has been fixed in version 2.3.0-7+deb9u1.
We recommend that you upgrade your pngcheck packages.
For the detailed security status of pngcheck please refer to its security tracker page at: https://security-tracker.debian.org/tracker/pngcheck
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS