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| author | A. Wilcox <awilcox@wilcox-tech.com> | 2020-03-10 02:44:11 +0000 |
|---|---|---|
| committer | A. Wilcox <awilcox@wilcox-tech.com> | 2020-03-10 02:44:11 +0000 |
| commit | b2b91cc7b341c21dd2754f766e3688d1cd8683cd (patch) | |
| tree | 89eb840eb4db48f40d8e3b4315b883b108d3b71e /system/libxml2/CVE-2019-20388.patch | |
| parent | 757c7417918541af9e656e023b2ead86998a07d9 (diff) | |
| parent | 2da62e2b9ab827bf6930e008d51cd0ab468dbd1b (diff) | |
| download | packages-b2b91cc7b341c21dd2754f766e3688d1cd8683cd.tar.gz packages-b2b91cc7b341c21dd2754f766e3688d1cd8683cd.tar.bz2 packages-b2b91cc7b341c21dd2754f766e3688d1cd8683cd.tar.xz packages-b2b91cc7b341c21dd2754f766e3688d1cd8683cd.zip | |
Merge branch 'cves.2020.02.28' into 'master'
CVE patches for 2020.02.28
See merge request adelie/packages!408
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 + |