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From 7015a5e99fecc195e36f2334b046b19abfc718c1 Mon Sep 17 00:00:00 2001
From: panxiaohe <panxh.life@foxmail.com>
Date: Mon, 18 Apr 2022 15:26:11 +0800
Subject: [PATCH] fix heap buffer overflow in
yaml_emitter_emit_flow_mapping_key
---
src/emitter.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/emitter.c b/src/emitter.c
index 609b28a..a9f39ec 100644
--- a/src/emitter.c
+++ b/src/emitter.c
@@ -806,6 +806,8 @@ yaml_emitter_emit_flow_mapping_key(yaml_emitter_t *emitter,
if (event->type == YAML_MAPPING_END_EVENT)
{
+ if (STACK_EMPTY(emitter, emitter->indents))
+ return 0;
emitter->flow_level --;
emitter->indent = POP(emitter, emitter->indents);
if (emitter->canonical && !first) {
--
1.8.3.1
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