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| author | Max Rees <maxcrees@me.com> | 2020-03-03 14:33:49 +0000 |
|---|---|---|
| committer | Max Rees <maxcrees@me.com> | 2020-03-09 21:27:48 -0500 |
| commit | 1ca9f51b0901a84b56258b19a78acf4c01f93eb5 (patch) | |
| tree | 41c58a426fab16eb544dbd1a017d152c502a800b /system/libxml2/CVE-2019-20388.patch | |
| parent | 680d3d2f67370934c1aff033819eef438bcb6f94 (diff) | |
| download | packages-1ca9f51b0901a84b56258b19a78acf4c01f93eb5.tar.gz packages-1ca9f51b0901a84b56258b19a78acf4c01f93eb5.tar.bz2 packages-1ca9f51b0901a84b56258b19a78acf4c01f93eb5.tar.xz packages-1ca9f51b0901a84b56258b19a78acf4c01f93eb5.zip | |
system/libxml2: patch CVE-2019-20388 and CVE-2020-7595 (#234)
Diffstat (limited to 'system/libxml2/CVE-2019-20388.patch')
| -rw-r--r-- | system/libxml2/CVE-2019-20388.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/system/libxml2/CVE-2019-20388.patch b/system/libxml2/CVE-2019-20388.patch new file mode 100644 index 000000000..49ff6fbe0 --- /dev/null +++ b/system/libxml2/CVE-2019-20388.patch @@ -0,0 +1,33 @@ +From 7ffcd44d7e6c46704f8af0321d9314cd26e0e18a Mon Sep 17 00:00:00 2001 +From: Zhipeng Xie <xiezhipeng1@huawei.com> +Date: Tue, 20 Aug 2019 16:33:06 +0800 +Subject: [PATCH] Fix memory leak in xmlSchemaValidateStream + +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 <xiezhipeng1@huawei.com> +--- + xmlschemas.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/xmlschemas.c b/xmlschemas.c +index 301c8449..39d92182 100644 +--- a/xmlschemas.c ++++ b/xmlschemas.c +@@ -28090,7 +28090,6 @@ xmlSchemaPreRun(xmlSchemaValidCtxtPtr vctxt) { + vctxt->nberrors = 0; + vctxt->depth = -1; + vctxt->skipDepth = -1; +- vctxt->xsiAssemble = 0; + vctxt->hasKeyrefs = 0; + #ifdef ENABLE_IDC_NODE_TABLES_TEST + vctxt->createIDCNodeTables = 1; +-- +2.24.1 + |