CVE-2023-4504
OpenPrinting CUPS/libppd Postscript Parsing Heap Overflow
- Published
- Updated
- Reserved
- Assigned by
- AHA
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By AHA
- 29 days later
· 29 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.64% · top 49% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
- affected < 2.4.6
- affected < d09348b
References (11)
- https://takeonme.org/cves/CVE-2023-4504.html (opens in a new tab)technical-descriptionthird-party-advisoryx_transferred
- https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6 (opens in a new tab)vendor-advisoryx_transferred
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678h (opens in a new tab)vendor-advisoryx_transferred
- https://github.com/OpenPrinting/cups/releases/tag/v2.4.7 (opens in a new tab)release-notesx_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AMYDKIE4PSJDEMC5OWNFCDMHFGLJ57XG/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/5WVS4I7JG3LISFPKTM6ADKJXXEPEEWBQ/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/5WHEJIYMMAIXU2EC35MGTB5LGGO2FFJE/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/T2GSPQAFK2Z6L57TRXEKZDF42K2EVBH7/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/09/msg00041.html (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PXPVADB56NMLJWG4IZ3OZBNJ2ZOLPQJ6/ (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2024/Sep/33 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4504)Record last updated .