Buffer overflow in Openprinting Cups

CVE-2023-4504

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…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4504?
CVE-2023-4504 is a high-severity vulnerability in Openprinting Cups, classified under Heap-based Buffer Overflow. CVSS score: 7.0/10. Published 2023-09-21.
How severe is CVE-2023-4504?
High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-4504 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.