Heap-based buffer overflow in libmpdemux/aviheader.c in MPlayer 1.0rc1 and earlier allows…
Priority MEDIUM 50CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in libmpdemux/aviheader.c in MPlayer 1.0rc1 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with certain large "indx truck size" and nEntriesInuse values, and a certain wLongsPerEntry value.
Why it matters now
EPSS 0.16048 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | all versions | Running on | Apple |
| cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:* | all versions | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:hp:tru64:*:*:*:*:*:*:*:* | all versions | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* | all versions | Running on | IBM |
| cpe:2.3:o:ibm:os2:*:*:*:*:*:*:*:* | all versions | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | all versions | Running on | Linux |
| cpe:2.3:o:mandrakesoft:mandrake_linux:2007:*:*:*:*:*:*:* | 2007 | Running on | Mandrakesoft |
| cpe:2.3:o:mandrakesoft:mandrake_linux:2007:*:x86_64:*:*:*:*:* | 2007 | Running on | Mandrakesoft |
| cpe:2.3:o:mandrakesoft:mandrake_linux:2007.1:*:*:*:*:*:*:* | 2007.1 | Running on | Mandrakesoft |
| cpe:2.3:o:mandrakesoft:mandrake_linux:2007.1:*:x86_64:*:*:*:*:* | 2007.1 | Running on | Mandrakesoft |
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple
- cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:* Versions all versions Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:hp:tru64:*:*:*:*:*:*:*:* Versions all versions Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* Versions all versions Running on ·IBM
- cpe:2.3:o:ibm:os2:*:*:*:*:*:*:*:* Versions all versions Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions all versions Running on ·Linux
- cpe:2.3:o:mandrakesoft:mandrake_linux:2007:*:*:*:*:*:*:* Versions 2007 Running on ·Mandrakesoft
- cpe:2.3:o:mandrakesoft:mandrake_linux:2007:*:x86_64:*:*:*:*:* Versions 2007 Running on ·Mandrakesoft
- cpe:2.3:o:mandrakesoft:mandrake_linux:2007.1:*:*:*:*:*:*:* Versions 2007.1 Running on ·Mandrakesoft
- cpe:2.3:o:mandrakesoft:mandrake_linux:2007.1:*:x86_64:*:*:*:*:* Versions 2007.1 Running on ·Mandrakesoft
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_98:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:* | 4.0 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:santa_cruz_operation:sco_unix:*:*:*:*:*:*:*:* | all versions | Running on | — |
| cpe:2.3:o:sun:solaris:*:*:*:*:*:*:*:* | all versions | Running on | Sun |
| cpe:2.3:o:windriver:bsdos:*:*:*:*:*:*:*:* | all versions | Running on | Wind River |
| cpe:2.3:a:mplayer:mplayer:1.0_rc1:*:*:*:*:*:*:* | 1.0_rc1 | Vulnerable | Mplayer |
| cpe:2.3:o:sgi:irix:*:*:*:*:*:*:*:* | all versions | Vulnerable | Sgi |
- cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_98:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:santa_cruz_operation:sco_unix:*:*:*:*:*:*:*:* Versions all versions Running on ·—
- cpe:2.3:o:sun:solaris:*:*:*:*:*:*:*:* Versions all versions Running on ·Sun
- cpe:2.3:o:windriver:bsdos:*:*:*:*:*:*:*:* Versions all versions Running on ·Wind River
- cpe:2.3:a:mplayer:mplayer:1.0_rc1:*:*:*:*:*:*:* Versions 1.0_rc1 Vulnerable ·Mplayer
- cpe:2.3:o:sgi:irix:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Sgi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4938
- 2026-10-03 Alias added: GHSA-cm2q-rjp7-2xcv
References
Sources
- CVE-2007-4938 · CVE Program
- CVE-2007-4938 · NVD
- FIRST EPSS
- GHSA-cm2q-rjp7-2xcv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences