Buffer overflow in (1) X.Org Xserver before 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allows context-dependent attackers to execute arbitrary code via a PCF font with a large difference between the last col and first col values in the PCF_BDF_ENCODINGS table.
Conclusion & alert: CVE-2008-0006 is rated Moderate Risk (56.9/100): CVSS High severity, with high exploitation likelihood (EPSS 5.11%, 91th 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 | 27.61% | 5.11% | -22.50% |
| 2 | 2026-06-07 | 23.91% | 27.61% | +3.70% |
| 3 | 2026-05-26 | — | 23.91% | — |
Full EPSS history (15 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 |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-0006 not yet assigned priority: Debian including 2 source packages (libxfont, xorg-server), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2008-0006 |
gentoo
|
high | CVE-2008-0006: 1 GLSA(s) (200801-09), 2 atom(s) (x11-base/xorg-server, x11-libs/libXfont); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-0006 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2008-0006 |
ubuntu
|
medium | CVE-2008-0006 medium priority: Ubuntu including 2 source packages (libxfont, xorg-server), 10 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 8, pending 2. | https://ubuntu.com/security/CVE-2008-0006 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sun | solaris_libfont | — | cpe:2.3:a:sun:solaris_libfont:*:*:*:*:*:*:*:* |
| sun | solaris_libxfont | — | cpe:2.3:a:sun:solaris_libxfont:*:*:*:*:*:*:*:* |
| x.org | xserver | <= 1.4 | cpe:2.3:a:x.org:xserver:*:*:*:*:*:*:*:* |