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Vulnerability record · CVE-2023-4504 · published 21 September 2023

CVE-2023-4504: Openprinting cups heap-based buffer overflow vulnerability

Openprinting · Cups

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.

7.0 CVSS 3.1 High EPSS 0.68% · top 49.5% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
7.0CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
21References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

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/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OpenPrinting/cups/releases/tag/v2.4.7 Release Notes
https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678h ExploitVendor Advisory
https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6 ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00041.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/5WHEJIYMMAIXU2EC35MGTB5LG Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/5WVS4I7JG3LISFPKTM6ADKJXX Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/AMYDKIE4PSJDEMC5OWNFCDMHF Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/PXPVADB56NMLJWG4IZ3OZBNJ2 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/T2GSPQAFK2Z6L57TRXEKZDF42 Mailing ListRelease Notes
https://takeonme.org/cves/CVE-2023-4504.html Exploit
http://seclists.org/fulldisclosure/2024/Sep/33
https://github.com/OpenPrinting/cups/releases/tag/v2.4.7 Release Notes
https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678h ExploitVendor Advisory
https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6 ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00041.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/5WHEJIYMMAIXU2EC35MGTB5LG Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/5WVS4I7JG3LISFPKTM6ADKJXX Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/AMYDKIE4PSJDEMC5OWNFCDMHF Mailing ListRelease Notes
https://lists.fedoraproject.org/archives/list/[email protected]/message/PXPVADB56NMLJWG4IZ3OZBNJ2 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/T2GSPQAFK2Z6L57TRXEKZDF42 Mailing ListRelease Notes
https://takeonme.org/cves/CVE-2023-4504.html Exploit

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Source: NIST National Vulnerability Database (record CVE-2023-4504), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.