How severe is CVE-2012-3234?

CVE-2012-3234 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-3234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3234?

CVE-2012-3234 primarily affects Realnetworks Realplayer. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3234?

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

When was CVE-2012-3234 published?

CVE-2012-3234 was published on 2012-09-12 and last updated on 2026-06-16.

CVE-2012-3234

CVE-2012-3234 is a high-severity vulnerability in Realnetworks Realplayer with a CVSS 2.0 base score of 7.5. 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-189.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Realnetworks Realplayer
Published: 2012-09-12
Last modified: 2026-06-16

Description

RealNetworks RealPlayer before 15.0.6.14, RealPlayer SP 1.0 through 1.1.5, and Mac RealPlayer before 12.0.1.1750 do not properly handle codec frame sizes in RealAudio files, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) or possibly have unspecified other impact via a crafted file.

Frequently asked questions

What is CVE-2012-3234?: RealNetworks RealPlayer before 15.0.6.14, RealPlayer SP 1.0 through 1.1.5, and Mac RealPlayer before 12.0.1.1750 do not properly handle codec frame sizes in RealAudio files, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) or possibly have unspecified other impact via a crafted file.
How severe is CVE-2012-3234?: CVE-2012-3234 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-3234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3234?: CVE-2012-3234 primarily affects Realnetworks Realplayer. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-3234 published?: CVE-2012-3234 was published on 2012-09-12 and last updated on 2026-06-16.

References

Affected products (44)

cpe:2.3:a:realnetworks:realplayer:*:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:2.1.2:*:enterprise:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:2.1.3:*:enterprise:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:2.1.4:*:enterprise:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:4:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:6:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:7:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:8:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.2.2315:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.1.3:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11_build_6.0.14.748:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:12.0.0.1444:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:12.0.0.1548:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.1.609:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.3:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.4:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:14.0.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:15.0.2.72:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:15.0.3.37:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.2:*:*:*:*:*:*:*

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