1From fc256953d29698ba5918c32d14fc69ea69d7e64e Mon Sep 17 00:00:00 2001 2From: Nick Wellnhofer <wellnhofer@aevum.de> 3Date: Thu, 16 Feb 2023 14:47:41 +0100 4Subject: [PATCH] malloc-fail: Fix memory leak in htmlCreateMemoryParserCtxt 5 6Found with libFuzzer, see #344. 7 8Reference:https://github.com/GNOME/libxml2/commit/fc256953d29698ba5918c32d14fc69ea69d7e64e 9Conflict:NA 10--- 11 HTMLparser.c | 5 ++++- 12 1 file changed, 4 insertions(+), 1 deletion(-) 13 14diff --git a/HTMLparser.c b/HTMLparser.c 15index 0ccd6e8..7ea2e62 100644 16--- a/HTMLparser.c 17+++ b/HTMLparser.c 18@@ -5191,7 +5191,10 @@ htmlCreateMemoryParserCtxt(const char *buffer, int size) { 19 return(NULL); 20 21 buf = xmlParserInputBufferCreateMem(buffer, size, XML_CHAR_ENCODING_NONE); 22- if (buf == NULL) return(NULL); 23+ if (buf == NULL) { 24+ xmlFreeParserCtxt(ctxt); 25+ return(NULL); 26+ } 27 28 input = xmlNewInputStream(ctxt); 29 if (input == NULL) { 30-- 312.27.0 32