Array index error in Adobe Reader and Acrobat, and the Explorer extension (aka AcroRd32Info), 8.1.2, 8.1.1, and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that triggers an out-of-bounds write, related to parsing of Type 1 fonts.
Conclusion & alert: CVE-2008-4812 is rated High Risk (65.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.80%, 94th 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 | 2026-06-15 | 42.78% | 8.80% | -33.98% |
| 2 | 2026-02-12 | 36.30% | 42.78% | +6.48% |
| 3 | 2025-12-26 | — | 36.30% | — |
Full EPSS history (15 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-2008-4812: 1 GLSA(s) (200901-09), 1 atom(s) (app-text/acroread); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-4812 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2008-4812 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | acrobat | <= 8.1.2 | cpe:2.3:a:adobe:acrobat:*:unknown:3d:*:*:*:*:* |
| adobe | acrobat | <= 8.1.2 | cpe:2.3:a:adobe:acrobat:*:unknown:professional:*:*:*:*:* |
| adobe | acrobat | <= 8.1.2 | cpe:2.3:a:adobe:acrobat:*:unknown:standard:*:*:*:*:* |
| adobe | acrobat | 8.1.1 | cpe:2.3:a:adobe:acrobat:8.1.1:*:*:*:*:*:*:* |
| adobe | acrobat | 8.1.1 | cpe:2.3:a:adobe:acrobat:8.1.1:unknown:3d:*:*:*:*:* |
| adobe | acrobat | 8.1.1 | cpe:2.3:a:adobe:acrobat:8.1.1:unknown:professional:*:*:*:*:* |
| adobe | acrobat | 8.1.1 | cpe:2.3:a:adobe:acrobat:8.1.1:unknown:standard:*:*:*:*:* |
| adobe | acrobat_reader | <= 8.0 | cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:* |