Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mplayer | 1.0~rc1-16.1 | — |
| Debian 13 | mplayer | 1.0~rc1-16.1 | — |
| Debian 12 | mplayer | 1.0~rc1-16.1 | — |
| Debian 5.0 | mplayer | 1.0~rc1-16+lenny1 | DTSA-65-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- MPlayer 1.0 - AVIHeader.C Heap Buffer Overflow EDB-30578 · dos · Sep 12, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DTSA-65-1 mplayer - denial of service via crafted .avi file Debian Security (DSA / DLA) · Mar 9, 2026
References
- 25648 vdb-entry
- 3144 third-party-advisory
- mplayer-avi-file-bo(36581) vdb-entry
- 20070912 CAL-20070912-1 Multiple vendor produce handling AVI file vulnerabilities mailing-list
- 27016 third-party-advisory
- 45940 vdb-entry
- http://www.vulnhunt.com/advisories/CAL-20070912-1_Multiple_vendor_produce_handling_AVI_file_vulnerabilities.txt
- MDKSA-2007:192 vendor-advisory