Race condition in gdImageStringFTEx (gdft_draw_bitmap) in gdft.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors, possibly involving truetype font (TTF) support.
Conclusion & alert: CVE-2007-3478 is rated Moderate Risk (52.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.45%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.34% over the last day, indicating growing attacker interest. 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 | 2026-04-08 | 12.11% | 14.45% | +2.34% |
| 2 | 2026-02-14 | 11.70% | 12.11% | +0.41% |
| 3 | 2025-09-12 | — | 11.70% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2007-3478 unimportant priority: Debian including 1 source packages (libgd2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-3478 |
gentoo
|
normal | CVE-2007-3478: 1 GLSA(s) (200708-05), 1 atom(s) (media-libs/gd); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-3478 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2007-3478 |
ubuntu
|
medium | CVE-2007-3478 medium priority: Ubuntu including 1 source packages (libgd2), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. | https://ubuntu.com/security/CVE-2007-3478 |
We currently do not plan to backport a fix for this issue to gd packages in current versions of Red Hat Enterprise Linux 2.1, 3, 4, and 5 due to the low likelihood of and application affected by this problem being exposed in a way that would allow trust boundary to be crossed.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gd_graphics_library | gdlib | <= 2.0.34 | cpe:2.3:a:gd_graphics_library:gdlib:*:*:*:*:*:*:*:* |