Mozilla Firefox before 35.0 and SeaMonkey before 2.32 do not properly initialize memory for BMP images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers the rendering of malformed BMP data within a CANVAS element.
Conclusion & alert: CVE-2014-8637 is rated Moderate Risk (49.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.17%). Core evidence: EPSS rose +1.68% over the last day, indicating growing attacker interest. 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 | 0.49% | 2.17% | +1.68% |
| 2 | 2025-03-30 | 0.77% | 0.49% | -0.28% |
| 3 | 2025-03-29 | — | 0.77% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2014-8637: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8637 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-8637 |
suse
|
medium | CVE-2014-8637 severity moderate: SUSE including 82 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 160 product×package rows across 32 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (32 product lines)): Fixed 129, Known Not Affected 31. | https://www.suse.com/security/cve/CVE-2014-8637/ |
ubuntu
|
medium | CVE-2014-8637 medium priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 4, ignored 1. | https://ubuntu.com/security/CVE-2014-8637 |