CVE-2007-1246

CVE-2007-1246 is a high-severity vulnerability in Mplayer with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: High (CVSS 2.0 base score 7.6)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Mplayer
• Published: 2007-03-03
• Last modified: 2026-06-16

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.

Frequently asked questions

What is 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 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.

How severe is CVE-2007-1246?

CVE-2007-1246 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-2007-1246 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1246?

CVE-2007-1246 affects Mplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1246?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-1246 published?

CVE-2007-1246 was published on 2007-03-03 and last updated on 2026-06-16.

References

• http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/052738.html
• http://secunia.com/advisories/24443
• http://secunia.com/advisories/24444
• http://secunia.com/advisories/24446
• http://secunia.com/advisories/24448
• http://secunia.com/advisories/24462
• http://secunia.com/advisories/24866
• http://secunia.com/advisories/24897
• http://secunia.com/advisories/24995
• http://secunia.com/advisories/25462
• http://secunia.com/advisories/29601
• http://security.gentoo.org/glsa/glsa-200704-09.xml
• 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://svn.mplayerhq.hu/mplayer/trunk/loader/dmo/DMO_VideoDecoder.c
• http://svn.mplayerhq.hu/mplayer/trunk/loader/dmo/DMO_VideoDecoder.c?r1=22019&r2=22204
• http://www.debian.org/security/2008/dsa-1536
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:055
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:057
• http://www.novell.com/linux/security/advisories/2007_007_suse.html
• http://www.novell.com/linux/security/advisories/2007_5_sr.html
• http://www.securityfocus.com/archive/1/466691/30/6900/threaded
• http://www.securityfocus.com/bid/22771
• http://www.ubuntu.com/usn/usn-433-1
• http://www.vupen.com/english/advisories/2007/0794
• https://exchange.xforce.ibmcloud.com/vulnerabilities/32747

Affected products (1)

• cpe:2.3:a:mplayer:mplayer:*:*:*:*:*:*:*:*

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