GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
[
{
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{
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},
{
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}
]
},
{
"events": [
{
"introduced": "0"
},
{
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}
]
},
{
"events": [
{
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{
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}
]
},
{
"events": [
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}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3497.json"