Buffer overflow in the intT1_EnvGetCompletePath function in lib/t1lib/t1env.c in t1lib 5.1.1 allows context-dependent attackers to execute arbitrary code via a long FileName parameter. NOTE: this issue was originally reported to be in the imagepsloadfont function in php_gd2.dll in the gd (PHP_GD2) extension in PHP 5.2.3.
Conclusion & alert: CVE-2007-4033 is rated High Exploit Risk (83.9/100): CVSS High severity, with high exploitation likelihood (EPSS 31.18%, 97th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +5.83% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 4227 | exploit_db | edb | 2007-07-26 | Exploit-DB ↗ |
| 30401 | exploit_db | edb | 2007-07-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2026-05-07 | 25.35% | 31.18% | +5.83% |
| 2 | 2026-03-15 | 27.60% | 25.35% | -2.25% |
| 3 | 2025-12-28 | — | 27.60% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2007-4033: 1 GLSA(s) (200710-12), 1 atom(s) (media-libs/t1lib); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-4033 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2007-4033 |
ubuntu
|
medium | CVE-2007-4033 medium priority: Ubuntu including 3 source packages (t1lib, tetex-bin, texlive-bin), 14 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 6, needs-triage 3, released 3, DNE 2. | https://ubuntu.com/security/CVE-2007-4033 |
Not vulnerable. Versions of PHP packages as shipped with current Red Hat products are not linked with t1lib.