Integer overflow in Adobe Flash Player 9.0.45.0 and earlier might allow remote attackers to execute arbitrary code via a large length value for a (1) Long string or (2) XML variable type in a crafted (a) FLV or (b) SWF file, related to an "input validation error," including a signed comparison of values that are assumed to be non-negative.
Conclusion & alert: CVE-2007-3456 is rated High Exploit Risk (83.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 63.30%, 98th percentile). Core evidence: 1 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 |
|---|---|---|---|---|
| 30288 | exploit_db | edb | 2007-07-10 | 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 | 2026-02-27 | 66.56% | 63.30% | -3.26% |
| 2 | 2026-02-21 | 72.58% | 66.56% | -6.02% |
| 3 | 2026-01-05 | — | 72.58% | — |
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
|
normal | CVE-2007-3456: 1 GLSA(s) (200708-01), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-3456 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2007-3456 |
ubuntu
|
medium | CVE-2007-3456 medium priority: Ubuntu including 1 source packages (flashplugin-nonfree), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 6, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2007-3456 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | flash_player | <= 9.0.45.0 | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.16 | cpe:2.3:a:adobe:flash_player:9.0.16:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.18d60 | cpe:2.3:a:adobe:flash_player:9.0.18d60:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.20 | cpe:2.3:a:adobe:flash_player:9.0.20:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.20.0 | cpe:2.3:a:adobe:flash_player:9.0.20.0:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.28 | cpe:2.3:a:adobe:flash_player:9.0.28:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.28.0 | cpe:2.3:a:adobe:flash_player:9.0.28.0:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.31 | cpe:2.3:a:adobe:flash_player:9.0.31:*:*:*:*:*:*:* |
| adobe | flash_player | 9.0.31.0 | cpe:2.3:a:adobe:flash_player:9.0.31.0:*:*:*:*:*:*:* |