Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP…
Priority MEDIUM 49CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.1, Mac RealPlayer 11.0 through 11.1, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code via a large Screen Width value in the Screen Descriptor header of a GIF87a file in an RTSP stream.
Why it matters now
EPSS 0.0629 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:* | 11.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* | 11.0.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:* | 11.0.3 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:* | 11.0.4 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:* | 11.0.5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:* Versions 11.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:* Versions 11.0.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:* Versions 11.0.3 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:* Versions 11.0.4 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:* Versions 11.0.5 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·RealNetworks
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:realplayer_sp:1.0.5:*:*:*:*:*:*:* | 1.0.5 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:realplayer_sp:1.1.1:*:*:*:*:*:*:* | 1.1.1 | Vulnerable | RealNetworks |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | all versions | Running on | Apple |
| cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:* | 11.0.2.1744 | Vulnerable | RealNetworks |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | all versions | Running on | Linux |
- cpe:2.3:a:realnetworks:realplayer_sp:1.0.5:*:*:*:*:*:*:* Versions 1.0.5 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer_sp:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:realplayer_sp:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·RealNetworks
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple
- cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:* Versions 11.0.2.1744 Vulnerable ·RealNetworks
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions all versions Running on ·Linux
Remediation
Red Hat 1 advisory
- RHSA-2010:0094 Released 2010-02-09 · Red Hat rating CriticalHelixPlayer security update
- Red Hat Enterprise Linux AS version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386, HelixPlayer-1:1.0.6-1.el4_8.1.ppc
- Red Hat Enterprise Linux Desktop version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386
- Red Hat Enterprise Linux ES version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386
- Red Hat Enterprise Linux WS version 4 HelixPlayer-1:1.0.6-1.el4_8.1, HelixPlayer-1:1.0.6-1.el4_8.1.i386
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2010:0094 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2010:0094 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2010:0094 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2010:0094 |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4376
- 2026-10-03 Alias added: GHSA-5p9m-hxc7-hpwp
References
More RealNetworks Realplayer vulnerabilities
- TI-2012-04788 Buffer overflow in RealNetworks RealPlayer before 16.0.0.282 and RealPlayer SP 1.0… CVSS 2.0HIGH 9.3
- TI-2008-01259 The RealAudioObjects.RealAudio ActiveX control in rmoc3260.dll in RealNetworks RealPlayer… CVSS 2.0HIGH 9.3
- TI-2013-05928 Multiple stack-based buffer overflows in RealNetworks RealPlayer before 17.0.4.61 on… CVSS 2.0HIGH 7.5
- TI-2007-05384 Stack-based buffer overflow in the Database Component in MPAMedia.dll in RealNetworks… CVSS 2.0HIGH 9.3
- TI-2010-03559 An ActiveX control in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0… CVSS 2.0HIGH 9.3
- TI-2007-03304 Stack-based buffer overflow in the SmilTimeValue::parseWallClockValue function in… CVSS 2.0HIGH 9.3
Sources
- CVE-2010-4376 · CVE Program
- CVE-2010-4376 · NVD
- FIRST EPSS
- GHSA-5p9m-hxc7-hpwp · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4376 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences