CVE-2011-1684

CVE-2011-1684 is a medium-severity vulnerability in Videolan Vlc Media Player with a CVSS 2.0 base score of 6.8. 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: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Videolan Vlc Media Player
• Published: 2011-05-03
• Last modified: 2026-06-16

Description

Heap-based buffer overflow in the MP4_ReadBox_skcr function in libmp4.c in the MP4 demultiplexer in VideoLAN VLC media player 1.x before 1.1.9 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted MP4 file.

Frequently asked questions

What is CVE-2011-1684?

Heap-based buffer overflow in the MP4_ReadBox_skcr function in libmp4.c in the MP4 demultiplexer in VideoLAN VLC media player 1.x before 1.1.9 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted MP4 file.

How severe is CVE-2011-1684?

CVE-2011-1684 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-1684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1684?

CVE-2011-1684 primarily affects Videolan Vlc Media Player. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1684 published?

CVE-2011-1684 was published on 2011-05-03 and last updated on 2026-06-16.

References

• http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=5637ca8141bf39f263ecdb62035d2cb45c740821
• http://openwall.com/lists/oss-security/2011/04/11/17
• http://openwall.com/lists/oss-security/2011/04/13/14
• http://openwall.com/lists/oss-security/2011/04/13/17
• http://secunia.com/advisories/43890
• http://secunia.com/advisories/44022
• http://securitytracker.com/id?1025373
• http://www.debian.org/security/2011/dsa-2218
• http://www.securityfocus.com/bid/47293
• http://www.videolan.org/security/sa1103.html
• http://www.vupen.com/english/advisories/2011/0916
• http://www.vupen.com/english/advisories/2011/0954
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66664
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14741

Affected products (17)

• cpe:2.3:a:videolan:vlc_media_player:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc_media_player:1.1.8:*:*:*:*:*:*:*

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