Buffer overflow in the progressive reader for libpng 1.2.x before 1.2.4, and 1.0.x before 1.0.14, allows attackers to cause a denial of service (crash) via a PNG data stream that has more IDAT data than indicated by the IHDR chunk.
Conclusion & alert: CVE-2002-0728 is rated Moderate Risk (49.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.09%). Core evidence: EPSS rose +1.55% over the last day, indicating growing attacker interest. 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 | 0.54% | 2.09% | +1.55% |
| 2 | 2025-03-30 | 0.61% | 0.54% | -0.06% |
| 3 | 2025-03-29 | — | 0.61% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2002-0728 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| greg_roelofs | libpng | 1.0.14 | cpe:2.3:a:greg_roelofs:libpng:1.0.14:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.4 | cpe:2.3:a:greg_roelofs:libpng:1.2.4:*:*:*:*:*:*:* |