diff options
Diffstat (limited to 'meta/recipes-core/libxml/libxml2/CVE-2023-39615-pre.patch')
-rw-r--r-- | meta/recipes-core/libxml/libxml2/CVE-2023-39615-pre.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta/recipes-core/libxml/libxml2/CVE-2023-39615-pre.patch b/meta/recipes-core/libxml/libxml2/CVE-2023-39615-pre.patch new file mode 100644 index 0000000000..b177cdaba0 --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2023-39615-pre.patch @@ -0,0 +1,44 @@ +From 99fc048d7f7292c5ee18e44c400bd73bc63a47ed Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer <wellnhofer@aevum.de> +Date: Fri, 14 Aug 2020 14:18:50 +0200 +Subject: [PATCH] Don't use SAX1 if all element handlers are NULL + +Running xmllint with "--sax --noout" installs a SAX2 handler with all +callbacks set to NULL. In this case or similar situations, we don't want +to switch to SAX1 parsing. + +Note: This patch is needed for "CVE-2023-39615-0002" patch to apply. +Without this patch the build will fail with undefined sax error. + +Upstream-Status: Backport from [https://gitlab.gnome.org/GNOME/libxml2/-/commit/99fc048d7f7292c5ee18e44c400bd73bc63a47ed] +Signed-off-by: Siddharth Doshi <sdoshi@mvista.com> +--- + parser.c | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +diff --git a/parser.c b/parser.c +index bb677b0..6e09208 100644 +--- a/parser.c ++++ b/parser.c +@@ -1098,11 +1098,15 @@ xmlHasFeature(xmlFeature feature) + */ + static void + xmlDetectSAX2(xmlParserCtxtPtr ctxt) { ++ xmlSAXHandlerPtr sax; + if (ctxt == NULL) return; ++ sax = ctxt->sax; + #ifdef LIBXML_SAX1_ENABLED +- if ((ctxt->sax) && (ctxt->sax->initialized == XML_SAX2_MAGIC) && +- ((ctxt->sax->startElementNs != NULL) || +- (ctxt->sax->endElementNs != NULL))) ctxt->sax2 = 1; ++ if ((sax) && (sax->initialized == XML_SAX2_MAGIC) && ++ ((sax->startElementNs != NULL) || ++ (sax->endElementNs != NULL) || ++ ((sax->startElement == NULL) && (sax->endElement == NULL)))) ++ ctxt->sax2 = 1; + #else + ctxt->sax2 = 1; + #endif /* LIBXML_SAX1_ENABLED */ +-- +2.24.4 + |