CVE-2011-3623
CWE-119Published: December 26, 2014· Updated: Jun 16, 2026
Official Description
Multiple stack-based buffer overflows in VideoLAN VLC media player before 1.0.2 allow remote attackers to execute arbitrary code via (1) a crafted ASF file, related to the ASF_ObjectDumpDebug function in modules/demux/asf/libasf.c; (2) a crafted AVI file, related to the AVI_ChunkDumpDebug_level function in modules/demux/avi/libavi.c; or (3) a crafted MP4 file, related to the __MP4_BoxDumpStructure function in modules/demux/mp4/libmp4.c.
Technical Analysis
CVE-2011-3623 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (12)
Quick Facts
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-3623 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts