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CVE-2023-4504

OpenPrinting CUPS/libppd Postscript Parsing Heap Overflow

Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Openprinting
Products
Debian Linux Fedora Cups and 1 more
CVE-2024-47175

libppd's ppdCreatePPDFromIPP2 function does not sanitize IPP attributes when creating the PPD buffer

CUPS is a standards-based, open-source printing system, and `libppd` can be used for legacy PPD file support. The `libppd` function `ppdCreatePPDFromIPP2` does not sanitize IPP attributes when creating the PPD buffer. When used in combination with other functions such as `cfGetPrinterAttributes5`, can result in user controlled input and ultimately code execution via Foomatic. This vulnerability can be part of an exploit chain leading to remote code execution (RCE), as described in CVE-2024-47176.

CVSS 3.1 · 8.6 High EPSS 63.6% KEV · Not listed
Vendors
Debian Openprinting Redhat
Products
Debian Linux Libppd Enterprise Linux and 5 more