RealPlayer: HTTP chunk encoding overflow
Published Jan 25, 2010
9.3
HIGHCVSS 2.0
EPSS 3.40%
Description
RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allow remote attackers to have an unspecified impact via a crafted media file that uses HTTP chunked transfer coding, related to an "overflow."
Affected products
No data.
Configuration 1
- 10.0
- 10.5
- 11.0
- 11.0.1
- 11.0.2
- 11.0.3
- 11.0.4
- 11.0.5
- n/a
- 1.0.0
- 1.0.1
Configuration 2
- 10.0
- 10.1
- 11.0
- 11.0.1
Configuration 3
- 10.0
- 11.0.0
- 11.0.1
- 10.0
- 11.0.0
- 11.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.40% (0.03402) | 88.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.39% (0.03387) | 87.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.47% (0.01467) | 79.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.64% (0.02642) | 76.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.51% (0.01507) | 79.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.88% (0.01882) | 88.94th | v3 (v2023.03.01) |
| Jul 10, 2024 | 1.88% (0.01882) | 88.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.88% (0.01882) | 86.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (11)
- http://osvdb.org/61967 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/38218 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1023489 vdb-entryx_refsource_SECTRACKPatch
- http://service.real.com/realplayer/security/01192010_player/en/ x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/37880 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2010/0178 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2009-4243 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=561388 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55796 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-4243
- https://www.cve.org/CVERecord?id=CVE-2009-4243
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/61967 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/38218 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1023489 | vdb-entryx_refsource_SECTRACKPatch | |
| http://service.real.com/realplayer/security/01192010_player/en/ | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.securityfocus.com/bid/37880 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2010/0178 | vdb-entryx_refsource_VUPENPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2009-4243 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=561388 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/55796 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-4243 | ||
| https://www.cve.org/CVERecord?id=CVE-2009-4243 |
Change history (0)
No recorded changes yet.