| Package | Affected versions | Patched versions |
|---|---|---|
| libxml2 | < 2.15.4 | 2.15.4 |
In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a callback.
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