How severe is CVE-2013-6877?

CVE-2013-6877 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-6877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6877?

CVE-2013-6877 primarily affects Realnetworks Realplayer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-6877 published?

CVE-2013-6877 was published on 2013-12-19 and last updated on 2026-06-17.

CVE-2013-6877

CVE-2013-6877 is a critical-severity vulnerability in Realnetworks Realplayer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Realnetworks Realplayer
Published: 2013-12-19
Last modified: 2026-06-17

Description

Heap-based buffer overflow in RealNetworks RealPlayer before 17.0.4.61 on Windows, and Mac RealPlayer before 12.0.1.1738, allows remote attackers to execute arbitrary code via a long string in the TRACKID element of an RMP file, a different vulnerability than CVE-2013-7260.

Frequently asked questions

What is CVE-2013-6877?: Heap-based buffer overflow in RealNetworks RealPlayer before 17.0.4.61 on Windows, and Mac RealPlayer before 12.0.1.1738, allows remote attackers to execute arbitrary code via a long string in the TRACKID element of an RMP file, a different vulnerability than CVE-2013-7260.
How severe is CVE-2013-6877?: CVE-2013-6877 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-6877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6877?: CVE-2013-6877 primarily affects Realnetworks Realplayer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-6877 published?: CVE-2013-6877 was published on 2013-12-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:realnetworks:realplayer:16.0.2.32:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:16.0.3.51:*:*:*:*:*:*:*

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