Integer overflow in the fbShmPutImage function in the MIT-SHM extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to read arbitrary process memory via crafted values for a Pixmap width and height.
Conclusion & alert: CVE-2008-1379 is rated Moderate Risk (51.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.39%). 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 | 1.00% | 1.39% | +0.39% |
| 2 | 2025-03-30 | 1.80% | 1.00% | -0.80% |
| 3 | 2025-03-29 | — | 1.80% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-1379 not yet assigned priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-1379 |
gentoo
|
high | CVE-2008-1379: 1 GLSA(s) (200806-07), 1 atom(s) (x11-base/xorg-server); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-1379 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-1379 |
ubuntu
|
medium | CVE-2008-1379 medium priority: Ubuntu including 1 source packages (xorg-server), 5 status rows across 5 suites (dapper, feisty, gutsy, hardy, upstream): released 5. | https://ubuntu.com/security/CVE-2008-1379 |