CVE-2014-8640

CVE-2014-8640 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 2% (82nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-362
• Affected product: Mozilla Firefox
• Published: 2015-01-14
• Last modified: 2026-06-17

Description

The mozilla::dom::AudioParamTimeline::AudioNodeInputValue function in the Web Audio API implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly restrict timeline operations, which allows remote attackers to cause a denial of service (uninitialized-memory read and application crash) via crafted API calls.

Frequently asked questions

What is CVE-2014-8640?

The mozilla::dom::AudioParamTimeline::AudioNodeInputValue function in the Web Audio API implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly restrict timeline operations, which allows remote attackers to cause a denial of service (uninitialized-memory read and application crash) via crafted API calls.

How severe is CVE-2014-8640?

CVE-2014-8640 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-8640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8640?

CVE-2014-8640 primarily affects Mozilla Firefox. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8640?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-8640 published?

CVE-2014-8640 was published on 2015-01-14 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html
• http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html
• http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html
• http://secunia.com/advisories/62242
• http://secunia.com/advisories/62250
• http://secunia.com/advisories/62418
• http://secunia.com/advisories/62790
• http://www.mozilla.org/security/announce/2014/mfsa2015-05.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/72045
• http://www.securitytracker.com/id/1031533
• https://bugzilla.mozilla.org/show_bug.cgi?id=1100409
• https://exchange.xforce.ibmcloud.com/vulnerabilities/99960
• https://security.gentoo.org/glsa/201504-01

Affected products (4)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*

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Other CWE-362 (Race Condition) vulnerabilities

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