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Google Chrome: Uninitialized Data Can Cause Crash
published 5 years ago
Summary
A bug in Google Chrome's video decoding can cause the browser to crash when it encounters certain types of video data. This bug affects users who watch videos in their browser, particularly those with older systems or outdated browser versions. To stay safe, ensure you're running the latest version of Google Chrome and be cautious when watching videos from unknown sources.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| OSS-Fuzz | – | kimageformats | All versions |
Original advisory text
Use-of-uninitialized-value in void intra_prediction_angular<unsigned short>
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32682
```
Crash type: Use-of-uninitialized-value
Crash state:
void intra_prediction_angular<unsigned short>
void decode_intra_prediction_internal<unsigned short>
decode_intra_prediction
```
```
Crash type: Use-of-uninitialized-value
Crash state:
void intra_prediction_angular<unsigned short>
void decode_intra_prediction_internal<unsigned short>
decode_intra_prediction
```
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32682 Third Party Advisory
Timeline
Published31 Mar 2021
Updated6 Mar 2026
First seen6 Mar 2026
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