Headline
CVE-2019-20388: Fix memory leak in xmlSchemaValidateStream (!68) · Merge requests · GNOME / libxml2
xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.
Fix memory leak in xmlSchemaValidateStream
- Overview 1
- Commits 1
- Pipelines 1
- Changes 1
When ctxt->schema is NULL, xmlSchemaSAXPlug->xmlSchemaPreRun alloc a new schema for ctxt->schema and set vctxt->xsiAssemble to 1. Then xmlSchemaVStart->xmlSchemaPreRun initialize vctxt->xsiAssemble to 0 again which cause the alloced schema can not be freed anymore.
Found with libFuzzer.
Signed-off-by: Zhipeng Xie [email protected]
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