WebKit in Apple Safari 4.x before 4.1.2 and 5.x before 5.0.2; Android before 2.2; and webkitgtk before 1.2.6; does not properly validate floating-point data, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted HTML document, related to non-standard NaN representation.
Conclusion & alert: CVE-2010-1807 is rated High Exploit Risk (81.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 61.32%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 15548 | exploit_db | edb | 2010-11-15 | Exploit-DB ↗ |
| 15423 | exploit_db | edb | 2010-11-05 | Exploit-DB ↗ |
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 | 80.88% | 61.32% | -19.56% |
| 2 | 2026-06-13 | 78.65% | 80.88% | +2.23% |
| 3 | 2026-03-11 | — | 78.65% | — |
Full EPSS history (14 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 |
|---|---|---|---|
gentoo
|
high | CVE-2010-1807: 1 GLSA(s) (201412-09), 25 atom(s) (app-admin/syslog-ng, app-misc/ca-certificates, …); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-1807 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2010-1807 |
ubuntu
|
medium | CVE-2010-1807 medium priority: Ubuntu including 2 source packages (qt4-x11, webkit), 18 status rows across 9 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 7, ignored 5, released 4, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2010-1807 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | 4.0 | cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:* |
| apple | safari | 4.0 | cpe:2.3:a:apple:safari:4.0:beta:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| apple | safari | 4.0.4 | cpe:2.3:a:apple:safari:4.0.4:*:*:*:*:*:*:* |
| apple | safari | 4.0.5 | cpe:2.3:a:apple:safari:4.0.5:*:*:*:*:*:*:* |
| apple | safari | 4.1 | cpe:2.3:a:apple:safari:4.1:*:*:*:*:*:*:* |
| apple | safari | 4.1.1 | cpe:2.3:a:apple:safari:4.1.1:*:*:*:*:*:*:* |
| apple | safari | 5.0 | cpe:2.3:a:apple:safari:5.0:*:*:*:*:*:*:* |
| apple | safari | 5.0.1 | cpe:2.3:a:apple:safari:5.0.1:*:*:*:*:*:*:* |
| android | <= 2.1 | cpe:2.3:o:google:android:*:*:*:*:*:*:*:* | |
| android | 1.0 | cpe:2.3:o:google:android:1.0:*:*:*:*:*:*:* | |
| android | 1.1 | cpe:2.3:o:google:android:1.1:*:*:*:*:*:*:* | |
| android | 1.5 | cpe:2.3:o:google:android:1.5:*:*:*:*:*:*:* | |
| android | 1.6 | cpe:2.3:o:google:android:1.6:*:*:*:*:*:*:* | |
| android | 2.0 | cpe:2.3:o:google:android:2.0:*:*:*:*:*:*:* | |
| webkitgtk | webkitgtk | <= 1.2.5 | cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | 1.2.0 | cpe:2.3:a:webkitgtk:webkitgtk:1.2.0:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | 1.2.1 | cpe:2.3:a:webkitgtk:webkitgtk:1.2.1:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | 1.2.2 | cpe:2.3:a:webkitgtk:webkitgtk:1.2.2:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | 1.2.3 | cpe:2.3:a:webkitgtk:webkitgtk:1.2.3:*:*:*:*:*:*:* |
| webkitgtk | webkitgtk | 1.2.4 | cpe:2.3:a:webkitgtk:webkitgtk:1.2.4:*:*:*:*:*:*:* |