Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which results in a segmentation fault.
Conclusion & alert: CVE-2007-3476 is rated Moderate Risk (41/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.46%). Mandatory action: Review affected assets and schedule 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 | 7.95% | 2.46% | -5.50% |
| 2 | 2026-04-26 | 6.47% | 7.95% | +1.48% |
| 3 | 2026-04-08 | — | 6.47% | — |
Full EPSS history (19 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
|
low | CVE-2007-3476 low priority: Debian including 3 source packages (libgd2, libwmf, racket), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10, open 5. | https://security-tracker.debian.org/tracker/CVE-2007-3476 |
gentoo
|
normal | CVE-2007-3476: 1 GLSA(s) (200708-05), 1 atom(s) (media-libs/gd); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-3476 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2007-3476 |
ubuntu
|
low | CVE-2007-3476 low priority: Ubuntu including 1 source packages (libgd2), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 4, ignored 3, released 2. | https://ubuntu.com/security/CVE-2007-3476 |
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-3476 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gd_graphics_library | gdlib | <= 2.0.34 | cpe:2.3:a:gd_graphics_library:gdlib:*:*:*:*:*:*:*:* |