Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-19387: A heap out-of-bounds write vulnerability was found in the GStreamer gst-plugins-bad adpcmdec element when decoding IMA/DVI ADPCM audio. Insufficient validation of the per-block sample count for multi-channel streams allows a crafted WAV file to cause writes beyond the allocated output buffer. This can lead to application crash, denial of service, memory corruption, or potentially arbitrary code execution when untrusted media is processed.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | gstreamer1-plugins-bad-free | 0:1.18.4-5.amzn2.0.9 |
| Amazon Linux · 2 | gstreamer1-plugins-bad-free-debuginfo | 0:1.18.4-5.amzn2.0.9 |
| Amazon Linux · 2 | gstreamer1-plugins-bad-free-devel | 0:1.18.4-5.amzn2.0.9 |
Vulnerabilities 1
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High 7.6
Gstreamer: gstreamer1-plugins-bad-free: gstreamer: heap out-of-bounds write in adpcmdec ima/dvi adpcm decoder
A heap out-of-bounds write vulnerability was found in the GStreamer gst-plugins-bad adpcmdec element when decoding IMA/DVI ADPCM audio. Insufficient validation of the per-block sample count for multi-channel streams allows a crafted WAV file to cause writes b…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-19387.html