CVE-2014-1544

Use-after-free vulnerability in the CERT_DestroyCertificate function in libnss3.so in Mozilla Network Security Services (NSS) 3.x, as used in Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7, allows remote attackers to execute arbitrary code via vectors that trigger certain improper removal of an NSSCertificate structure from a trust domain.

Published: 2014-07-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-1544 is rated High Risk (75.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.11%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.86% over the last day, indicating growing attacker interest. 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.

Exploit prediction scoring system (EPSS) score for CVE-2014-1544

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 3.25% 6.11% +2.86%
2 2026-05-25 1.96% 3.25% +1.29%
3 2026-03-27 — 1.96% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1544

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2014-1544

OS Trackers for CVE-2014-1544

vendor priority summary link
debian not yet assigned CVE-2014-1544 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-1544
gentoo normal CVE-2014-1544: 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-2014-1544
redhat critical — https://access.redhat.com/security/cve/CVE-2014-1544
suse medium CVE-2014-1544 severity moderate: SUSE including 94 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.7.0esr-0.3.1, …), 154 product×package rows across 37 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 12, … (37 product lines)): Fixed 139, Known Not Affected 15. https://www.suse.com/security/cve/CVE-2014-1544/
ubuntu medium CVE-2014-1544 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 12 status rows across 4 suites (lucid, precise, trusty, upstream): released 10, ignored 2. https://ubuntu.com/security/CVE-2014-1544

NVD evaluator notes for CVE-2014-1544

Comment: <a href="http://cwe.mitre.org/data/definitions/416.html" target="_blank">CWE-416: Use After Free</a>

Affected software / configurations for CVE-2014-1544

Vendor Product Version Raw CPE
mozilla firefox <= 30.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox 24.0 cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:*
mozilla firefox 24.0.1 cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:*
mozilla firefox 24.0.2 cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:*
mozilla firefox 24.1.0 cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:*
mozilla firefox 24.1.1 cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:*
mozilla firefox_esr 24.2 cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:*
mozilla firefox_esr 24.3 cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:*
mozilla firefox_esr 24.4 cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:*
mozilla firefox_esr 24.5 cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:*
mozilla firefox_esr 24.6 cpe:2.3:a:mozilla:firefox_esr:24.6:*:*:*:*:*:*:*
mozilla network_security_services 3.2 cpe:2.3:a:mozilla:network_security_services:3.2:*:*:*:*:*:*:*
mozilla network_security_services 3.2.1 cpe:2.3:a:mozilla:network_security_services:3.2.1:*:*:*:*:*:*:*
mozilla network_security_services 3.3 cpe:2.3:a:mozilla:network_security_services:3.3:*:*:*:*:*:*:*
mozilla network_security_services 3.3.1 cpe:2.3:a:mozilla:network_security_services:3.3.1:*:*:*:*:*:*:*
mozilla network_security_services 3.3.2 cpe:2.3:a:mozilla:network_security_services:3.3.2:*:*:*:*:*:*:*
mozilla network_security_services 3.4 cpe:2.3:a:mozilla:network_security_services:3.4:*:*:*:*:*:*:*
mozilla network_security_services 3.4.1 cpe:2.3:a:mozilla:network_security_services:3.4.1:*:*:*:*:*:*:*
mozilla network_security_services 3.4.2 cpe:2.3:a:mozilla:network_security_services:3.4.2:*:*:*:*:*:*:*
mozilla network_security_services 3.5 cpe:2.3:a:mozilla:network_security_services:3.5:*:*:*:*:*:*:*
mozilla network_security_services 3.6 cpe:2.3:a:mozilla:network_security_services:3.6:*:*:*:*:*:*:*
mozilla network_security_services 3.6.1 cpe:2.3:a:mozilla:network_security_services:3.6.1:*:*:*:*:*:*:*
mozilla network_security_services 3.7 cpe:2.3:a:mozilla:network_security_services:3.7:*:*:*:*:*:*:*
mozilla network_security_services 3.7.1 cpe:2.3:a:mozilla:network_security_services:3.7.1:*:*:*:*:*:*:*
mozilla network_security_services 3.7.2 cpe:2.3:a:mozilla:network_security_services:3.7.2:*:*:*:*:*:*:*
mozilla network_security_services 3.7.3 cpe:2.3:a:mozilla:network_security_services:3.7.3:*:*:*:*:*:*:*
mozilla network_security_services 3.7.5 cpe:2.3:a:mozilla:network_security_services:3.7.5:*:*:*:*:*:*:*
mozilla network_security_services 3.7.7 cpe:2.3:a:mozilla:network_security_services:3.7.7:*:*:*:*:*:*:*
mozilla network_security_services 3.8 cpe:2.3:a:mozilla:network_security_services:3.8:*:*:*:*:*:*:*
mozilla network_security_services 3.9 cpe:2.3:a:mozilla:network_security_services:3.9:*:*:*:*:*:*:*
mozilla network_security_services 3.11.2 cpe:2.3:a:mozilla:network_security_services:3.11.2:*:*:*:*:*:*:*
mozilla network_security_services 3.11.3 cpe:2.3:a:mozilla:network_security_services:3.11.3:*:*:*:*:*:*:*
mozilla network_security_services 3.11.4 cpe:2.3:a:mozilla:network_security_services:3.11.4:*:*:*:*:*:*:*
mozilla network_security_services 3.11.5 cpe:2.3:a:mozilla:network_security_services:3.11.5:*:*:*:*:*:*:*
mozilla network_security_services 3.12 cpe:2.3:a:mozilla:network_security_services:3.12:*:*:*:*:*:*:*
mozilla network_security_services 3.12.1 cpe:2.3:a:mozilla:network_security_services:3.12.1:*:*:*:*:*:*:*
mozilla network_security_services 3.12.2 cpe:2.3:a:mozilla:network_security_services:3.12.2:*:*:*:*:*:*:*
mozilla network_security_services 3.12.3 cpe:2.3:a:mozilla:network_security_services:3.12.3:*:*:*:*:*:*:*
mozilla network_security_services 3.12.3.1 cpe:2.3:a:mozilla:network_security_services:3.12.3.1:*:*:*:*:*:*:*
mozilla network_security_services 3.12.3.2 cpe:2.3:a:mozilla:network_security_services:3.12.3.2:*:*:*:*:*:*:*
mozilla network_security_services 3.12.4 cpe:2.3:a:mozilla:network_security_services:3.12.4:*:*:*:*:*:*:*
mozilla network_security_services 3.12.5 cpe:2.3:a:mozilla:network_security_services:3.12.5:*:*:*:*:*:*:*
mozilla network_security_services 3.12.6 cpe:2.3:a:mozilla:network_security_services:3.12.6:*:*:*:*:*:*:*
mozilla network_security_services 3.12.7 cpe:2.3:a:mozilla:network_security_services:3.12.7:*:*:*:*:*:*:*
mozilla network_security_services 3.12.8 cpe:2.3:a:mozilla:network_security_services:3.12.8:*:*:*:*:*:*:*
mozilla network_security_services 3.12.9 cpe:2.3:a:mozilla:network_security_services:3.12.9:*:*:*:*:*:*:*
mozilla network_security_services 3.12.10 cpe:2.3:a:mozilla:network_security_services:3.12.10:*:*:*:*:*:*:*
mozilla network_security_services 3.12.11 cpe:2.3:a:mozilla:network_security_services:3.12.11:*:*:*:*:*:*:*
mozilla network_security_services 3.14 cpe:2.3:a:mozilla:network_security_services:3.14:*:*:*:*:*:*:*
mozilla network_security_services 3.14.1 cpe:2.3:a:mozilla:network_security_services:3.14.1:*:*:*:*:*:*:*
mozilla network_security_services 3.14.2 cpe:2.3:a:mozilla:network_security_services:3.14.2:*:*:*:*:*:*:*
mozilla network_security_services 3.14.3 cpe:2.3:a:mozilla:network_security_services:3.14.3:*:*:*:*:*:*:*
mozilla network_security_services 3.14.4 cpe:2.3:a:mozilla:network_security_services:3.14.4:*:*:*:*:*:*:*
mozilla network_security_services 3.14.5 cpe:2.3:a:mozilla:network_security_services:3.14.5:*:*:*:*:*:*:*
mozilla network_security_services 3.15 cpe:2.3:a:mozilla:network_security_services:3.15:*:*:*:*:*:*:*
mozilla network_security_services 3.15.1 cpe:2.3:a:mozilla:network_security_services:3.15.1:*:*:*:*:*:*:*
mozilla network_security_services 3.15.2 cpe:2.3:a:mozilla:network_security_services:3.15.2:*:*:*:*:*:*:*
mozilla network_security_services 3.15.3 cpe:2.3:a:mozilla:network_security_services:3.15.3:*:*:*:*:*:*:*
mozilla network_security_services 3.15.3.1 cpe:2.3:a:mozilla:network_security_services:3.15.3.1:*:*:*:*:*:*:*
mozilla network_security_services 3.15.4 cpe:2.3:a:mozilla:network_security_services:3.15.4:*:*:*:*:*:*:*
mozilla network_security_services 3.15.5 cpe:2.3:a:mozilla:network_security_services:3.15.5:*:*:*:*:*:*:*
mozilla network_security_services 3.16 cpe:2.3:a:mozilla:network_security_services:3.16:*:*:*:*:*:*:*
mozilla thunderbird <= 24.6 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird 24.0 cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:*
mozilla thunderbird 24.0.1 cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:*
mozilla thunderbird 24.1 cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:*
mozilla thunderbird 24.1.1 cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:*
mozilla thunderbird 24.2 cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:*
mozilla thunderbird 24.3 cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:*
mozilla thunderbird 24.4 cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:*
mozilla thunderbird 24.5 cpe:2.3:a:mozilla:thunderbird:24.5:*:*:*:*:*:*:*

References for CVE-2014-1544

cvelogic Threat Intelligence