How severe is CVE-2010-0416?

CVE-2010-0416 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-0416 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-2010-0416?

CVE-2010-0416 primarily affects Realnetworks Helix Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0416?

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-2010-0416 published?

CVE-2010-0416 was published on 2010-02-18 and last updated on 2026-06-16.

CVE-2010-0416

CVE-2010-0416 is a high-severity vulnerability in Realnetworks Helix Player with a CVSS 2.0 base score of 7.5. 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: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Realnetworks Helix Player
Published: 2010-02-18
Last modified: 2026-06-16

Description

Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.

Frequently asked questions

What is CVE-2010-0416?: Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.
How severe is CVE-2010-0416?: CVE-2010-0416 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2010-0416 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-2010-0416?: CVE-2010-0416 primarily affects Realnetworks Helix Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0416?: 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-2010-0416 published?: CVE-2010-0416 was published on 2010-02-18 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:realnetworks:helix_player:1.0.6:*:linux:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:*:*:linux:*:*:*:*:*

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