Vulnerability Description
LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://github.com/linuxserver/Heimdall/pull/1167
- https://github.com/linuxserver/Heimdall/pull/1173
- https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7
- https://github.com/linuxserver/Heimdall/pull/1167
- https://github.com/linuxserver/Heimdall/pull/1173
- https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7
FAQ
What is CVE-2023-51803?
CVE-2023-51803 is a vulnerability with a CVSS score of 9.8 (CRITICAL). LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring.
How severe is CVE-2023-51803?
CVE-2023-51803 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-51803?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.