RealPlayer: RTSP client ASM RuleBook stack buffer overflow
Published Jan 25, 2010
9.3
HIGHCVSS 2.0
EPSS 6.81%
Description
Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an "array 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.
Red Hat Enterprise Linux 4
HelixPlayer-1:1.0.6-1.el4_8.1
Fixed · RHSA-2010:0094
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | HelixPlayer-1:1.0.6-1.el4_8.1 | Fixed | RHSA-2010:0094 |
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 3, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 6.81% (0.06810) | 93.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.78% (0.06779) | 93.13th | v5 (v2026.06.15) |
| Mar 30, 2025 | 9.56% (0.09560) | 92.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.33% (0.12334) | 89.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.56% (0.09560) | 92.28th | v4 (v2025.03.14) |
| Dec 12, 2024 | 10.11% (0.10109) | 95.18th | v3 (v2023.03.01) |
| Apr 29, 2024 | 11.09% (0.11089) | 95.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.43% (0.07427) | 93.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.60% (0.06604) | 91.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.60% (0.06604) | 90.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.60% (0.06604) | 78.62th | v2 (v2022.01.01) |
References (16)
- http://lists.helixcommunity.org/pipermail/helix-client-dev/2009-August/008092.html mailing-listx_refsource_MLIST
- http://lists.helixcommunity.org/pipermail/protocol-cvs/2009-August/001943.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/38218 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38450 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.redhat.com/support/errata/RHSA-2010-0094.html vendor-advisoryx_refsource_REDHAT
- 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-2009-4247 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=561338 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55802 vdb-entryx_refsource_XF
- https://helixcommunity.org/viewcvs/protocol/rtsp/rtspclnt.cpp?view=log#rev1.245 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2009-4247
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10677 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-4247
Change history (0)
No recorded changes yet.