Multiple stack-based buffer overflows in the phpcups PHP module for CUPS 1.1.23rc1 might allow context-dependent attackers to execute arbitrary code via vectors that result in long function parameters, as demonstrated by the cups_get_dest_options function in phpcups.c.
Conclusion & alert: CVE-2005-4873 is rated Moderate Risk (57.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.92%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.24% | 1.92% | +0.68% |
| 2 | 2026-04-19 | 1.14% | 1.24% | +0.10% |
| 3 | 2025-03-30 | — | 1.14% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2005-4873 not yet assigned priority: Debian including 1 source packages (cups), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-4873 |
ubuntu
|
medium | CVE-2005-4873 medium priority: Ubuntu including 1 source packages (cupsys), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 4, needs-triage 1. | https://ubuntu.com/security/CVE-2005-4873 |