CVE-2023-4504

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 49.1% of scored records. A rank, not a probability.

NVD base score

7.0 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-09-21 22:47Z2 YR AGO

Last updated

2025-11-04 16:10Z10 MO AGO

Reserved

2023-08-23

Assigning CNA

AHA

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

9461e1c1f19dffe3e7eb1c9042033b8c17d4191af435ef6f5a66bcb6b4ce7be0

• takeonme.orghttps://takeonme.org/cves/CVE-2023-4504.htmltechnical-descriptionthird-party-advisory
• github.comhttps://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6vendor-advisory
• github.comhttps://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678hvendor-advisory
• github.comhttps://github.com/OpenPrinting/cups/releases/tag/v2.4.7release-notes
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AMYDKIE4PSJDEMC5OWNFCDMHFGLJ57XG/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WVS4I7JG3LISFPKTM6ADKJXXEPEEWBQ/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WHEJIYMMAIXU2EC35MGTB5LGGO2FFJE/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2GSPQAFK2Z6L57TRXEKZDF42K2EVBH7/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/09/msg00041.html
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXPVADB56NMLJWG4IZ3OZBNJ2ZOLPQJ6/
• seclists.orghttp://seclists.org/fulldisclosure/2024/Sep/33