Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving HTML IMG elements.
Conclusion & alert: CVE-2010-0054 is rated Moderate Risk (64.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.54%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-03-30 | 15.86% | 8.54% | -7.33% |
| 2 | 2025-03-29 | 8.54% | 15.86% | +7.33% |
| 3 | 2025-03-19 | — | 8.54% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2010-0054 |
ubuntu
|
low | CVE-2010-0054 low priority: Ubuntu including 2 source packages (qt4-x11, webkit), 20 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 8, not-affected 8, needs-triage 2, DNE 1, released 1. | https://ubuntu.com/security/CVE-2010-0054 |
: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html 'WebKit CVE-ID: CVE-2010-0054 Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later, Windows 7, Vista, XP Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A use-after-free issue exists in WebKit's handling of HTML image elements. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory reference tracking. Credit: Apple.'
: Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html 'Safari 4.0.5 is available via the Apple Software Update application, or Apple's Safari download site at: http://www.apple.com/safari/download/'
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | <= 4.0.4 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | safari | 4.0 | cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:* |
| apple | safari | 4.0.0b | cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:* |
| apple | safari | 4.0.1 | cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:* |
| apple | safari | 4.0.2 | cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:* |
| apple | safari | 4.0.3 | cpe:2.3:a:apple:safari:4.0.3:*:*:*:*:*:*:* |