Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Conclusion & alert: CVE-2014-1494 is rated High Risk (73.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.08%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.52% 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 | 2026-06-15 | 0.56% | 5.08% | +4.52% |
| 2 | 2025-11-02 | 0.48% | 0.56% | +0.07% |
| 3 | 2025-08-27 | — | 0.48% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2014-1494: 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-2014-1494 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2014-1494 |
suse
|
critical | CVE-2014-1494 severity critical: SUSE including 51 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.4.0esr-0.5.5.1, …), 69 product×package rows across 14 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Module for Desktop Applications 15, … (14 product lines)): Fixed 69. | https://www.suse.com/security/cve/CVE-2014-1494/ |
ubuntu
|
medium | CVE-2014-1494 medium priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 4, ignored 1. | https://ubuntu.com/security/CVE-2014-1494 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | seamonkey | < 2.25 | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 11 | cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* |
| suse | linux_enterprise_software_development_kit | 11 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:* |
| oracle | solaris | 11.3 | cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse_project | opensuse | 11.4 | cpe:2.3:o:opensuse_project:opensuse:11.4:*:*:*:*:*:*:* |
| opensuse_project | opensuse | 12.3 | cpe:2.3:o:opensuse_project:opensuse:12.3:*:*:*:*:*:*:* |
| mozilla | firefox | < 28.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |