Off-by-one in libppd

Published: 2023-09-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-4504
Exploitation vector Network
Public exploit N/A
Vulnerable software
Universal components / Libraries / Libraries used by multiple products

Vendor OpenPrinting

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Off-by-one

EUVDB-ID: #VU80932

Risk: High


CVE-ID: CVE-2023-4504


Exploit availability:


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error when parsing Postscript objects within the scan_ps() function in cups/raster-interpret.c. A remote attacker can trigger pass a specially crafted PPD file to the affected application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Install update from vendor's website.

Vulnerable software versions

libppd: 2.0 rc1 - 2.0b4

Fixed software versions

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?