Mozilla Netscape Portable Runtime (NSPR) before 4.10.6 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via vectors involving the sprintf and console functions.
Conclusion & alert: CVE-2014-1545 is rated High Risk (70.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.89%). 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 | 2026-03-27 | 2.68% | 2.89% | +0.21% |
| 2 | 2026-01-25 | 3.60% | 2.68% | -0.92% |
| 3 | 2025-03-30 | — | 3.60% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-1545 not yet assigned priority: Debian including 1 source packages (nspr), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-1545 |
gentoo
|
normal | CVE-2014-1545: 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-2014-1545 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-1545 |
suse
|
medium | CVE-2014-1545 severity moderate: SUSE including 135 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.6.0esr-0.3.1, …), 258 product×package rows across 55 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 11 SP3, … (55 product lines)): Fixed 197, Known Not Affected 61. | https://www.suse.com/security/cve/CVE-2014-1545/ |
ubuntu
|
medium | CVE-2014-1545 medium priority: Ubuntu including 1 source packages (nspr), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 4, ignored 1. | https://ubuntu.com/security/CVE-2014-1545 |
: Per: http://cwe.mitre.org/data/definitions/787.html "CWE-787: Out-of-bounds Write"
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mozilla | netscape_portable_runtime | <= 4.10.5 | cpe:2.3:a:mozilla:netscape_portable_runtime:*:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.1.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.1.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.1.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.1.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.2.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.2.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.4.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.4.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.5.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.5.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.4 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.4:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.5 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.5:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.6 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.6:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.7 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.7:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.6.8 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.6.8:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.4 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.4:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.5 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.5:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.7.6 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.7.6:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.4 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.4:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.5 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.5:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.6 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.6:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.7 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.7:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.8 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.8:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.8.9 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.8.9:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.4 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.4:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.5 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.5:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.9.6 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.9.6:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.10 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.10:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.10.1 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.10.1:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.10.2 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.10.2:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.10.3 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.10.3:*:*:*:*:*:*:* |
| mozilla | netscape_portable_runtime | 4.10.4 | cpe:2.3:a:mozilla:netscape_portable_runtime:4.10.4:*:*:*:*:*:*:* |