SARA / Free Tools / CVE / CVE-2023-4504

CVE-2023-4504 — Due to failure in validating the length provided by an attacker-crafted PPD Post

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
— —
EPSS
0.03% (top 89.90%)
CWE
CWE-122
Published
2023-09-21T22:47:41.879Z
Last modified
2025-11-04T16:10:38.138Z
CVSS vector
—

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
OpenPrintingCUPS0
OpenPrintinglibppd0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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