How severe is CVE-2015-2715?

CVE-2015-2715 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-2715 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2715?

CVE-2015-2715 primarily affects Mozilla Firefox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2715?

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

When was CVE-2015-2715 published?

CVE-2015-2715 was published on 2015-05-14 and last updated on 2026-06-17.

CVE-2015-2715

CVE-2015-2715 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 6.8. 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 6.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Mozilla Firefox
Published: 2015-05-14
Last modified: 2026-06-17

Description

Race condition in the nsThreadManager::RegisterCurrentThread function in Mozilla Firefox before 38.0 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) by leveraging improper Media Decoder Thread creation at the time of a shutdown.

Frequently asked questions

What is CVE-2015-2715?: Race condition in the nsThreadManager::RegisterCurrentThread function in Mozilla Firefox before 38.0 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) by leveraging improper Media Decoder Thread creation at the time of a shutdown.
How severe is CVE-2015-2715?: CVE-2015-2715 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-2715 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2715?: CVE-2015-2715 primarily affects Mozilla Firefox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2715?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2715 published?: CVE-2015-2715 was published on 2015-05-14 and last updated on 2026-06-17.

References

Affected products (3)

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

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Other CWE-362 (Race Condition) vulnerabilities

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