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CVE-2005-2922

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions...

9.3 High

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Exploit likelihood

5.78%Up 3.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Record
CVE-2005-2922
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Record
CVE-2005-2922
Updated
2026-11-02
EUVDEUVD-2005-2922 No score

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Record
EUVD-2005-2922
Updated
2026-11-03
GitHub AdvisoriesGHSA-w8fj-r9j2-qg46 No score

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions...

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Record
GHSA-w8fj-r9j2-qg46
Weakness
CWE-119
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
HelixPlayer
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1
HelixPlayer-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 1:1.0.6-0.EL4.1
1:1.0.6-0.EL4.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-2922 is a high vulnerability (CVSS 9.3) in Realnetworks Helix Player, published December 31, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.78%, the 93rd percentile. No source names a fixed version.

References

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