CVE-2014-1490

HIGHEPSS 90th pctl

9.3

CVSS v2

Description

Race condition in libssl in Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors involving a resumption handshake that triggers incorrect replacement of a session ticket.

CWE-362Race Condition

How to fix

Remediation Available

nssDebian

Fixed in:2:3.15.4-1CVE-2014-1490

DeveloperEditionWindows application

Affected:27.0Fixed in:27.0Mozilla

Affected:24.3Fixed in:24.3Mozilla

Mozilla Firefox (en-US)Windows application

Affected:27.0Fixed in:27.0Mozilla

Affected:24.3Fixed in:24.3Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:24.3.0Fixed in:24.3.0Mozilla

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.99%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

Common questions

How do I fix CVE-2014-1490?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2014-1490 being actively exploited?

Not that we know of. CVE-2014-1490 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 90% of all scored CVEs.

How severe is CVE-2014-1490?

CVE-2014-1490 has a CVSS v2 base score of 9.3, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2014-1490 affect?

Published advisories record a fix for nss (Debian), DeveloperEdition (Windows application), Mozilla Firefox (en-US) (Windows application), Mozilla Thunderbird (en-US) (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.