diff options
Diffstat (limited to 'meta/recipes-core/libxml/libxml2/fix-CVE-2018-14404.patch')
| -rw-r--r-- | meta/recipes-core/libxml/libxml2/fix-CVE-2018-14404.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/meta/recipes-core/libxml/libxml2/fix-CVE-2018-14404.patch b/meta/recipes-core/libxml/libxml2/fix-CVE-2018-14404.patch deleted file mode 100644 index 21668e25ad..0000000000 --- a/meta/recipes-core/libxml/libxml2/fix-CVE-2018-14404.patch +++ /dev/null @@ -1,45 +0,0 @@ -libxml2-2.9.8: Fix CVE-2018-14404 - -[No upstream tracking] -- https://gitlab.gnome.org/GNOME/libxml2/issues/5 - -- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 - -- https://bugzilla.redhat.com/show_bug.cgi?id=1595985 - -xpath: Fix nullptr deref with XPath logic ops - -If the XPath stack is corrupted, for example by a misbehaving extension -function, the "and" and "or" XPath operators could dereference NULL -pointers. Check that the XPath stack isn't empty and optimize the -logic operators slightly. - -Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/commit/a436374994c47b12d5de1b8b1d191a098fa23594] -CVE: CVE-2018-14404 -Signed-off-by: Andrej Valek <andrej.valek@siemens.com> - -diff --git a/xpath.c b/xpath.c -index f440696..75cac5c 100644 ---- a/xpath.c -+++ b/xpath.c -@@ -13297,9 +13297,8 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op) - return(0); - } - xmlXPathBooleanFunction(ctxt, 1); -- arg1 = valuePop(ctxt); -- arg1->boolval &= arg2->boolval; -- valuePush(ctxt, arg1); -+ if (ctxt->value != NULL) -+ ctxt->value->boolval &= arg2->boolval; - xmlXPathReleaseObject(ctxt->context, arg2); - return (total); - case XPATH_OP_OR: -@@ -13323,9 +13322,8 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op) - return(0); - } - xmlXPathBooleanFunction(ctxt, 1); -- arg1 = valuePop(ctxt); -- arg1->boolval |= arg2->boolval; -- valuePush(ctxt, arg1); -+ if (ctxt->value != NULL) -+ ctxt->value->boolval |= arg2->boolval; - xmlXPathReleaseObject(ctxt->context, arg2); - return (total); - case XPATH_OP_EQUAL: |