Unrated severityNVD Advisory· Published Sep 19, 2019· Updated Aug 4, 2024
CVE-2019-9719
CVE-2019-9719
Description
A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf. NOTE: Third parties dispute that this is a vulnerability because “no evidence of a vulnerability is provided” and only “a generic warning from a static code analysis” is provided
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Affected products
2- Libav/Libavdescription
Patches
Vulnerability mechanics
References
4- github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.cmitrex_refsource_MISC
- github.com/libav/libav/commits/master/libavcodec/srtdec.cmitrex_refsource_MISC
- lgtm.com/projects/g/libav/libav/snapshot/f5f553ca3bdca0c97dd08bbf002f0d8cb193788b/files/libavcodec/srtdec.cmitrex_refsource_MISC
- lgtm.com/security/mitrex_refsource_MISC
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