Search/CVE-2023-4504
● CVE — High

CVE-2023-4504

Vendordebian, fedoraproject, openprintingProductdebian linux, fedora, cups, libppdDiscoveredSep 21, 2023UpdatedNov 4, 2025

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.

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CVSS v3.1
7 HIGH
EPSS
0.64%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 24, 2026
▼ 0.03pp
0.66% → 0.64% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
5 relationships
Timeline
disclosure → media coverage
Sep 21, 2023
Disclosure — published as a CVE record. · last revised by NVD Nov 4, 2025
Public PoC (1)
github.com/djjohnson565/CUPS-Exploit
Unverified third-party code — review before executing.