diff --git a/fuzz/crashes/id:000000,sig:06,src:000000,time:2049,execs:911,op:quick,pos:263 b/fuzz/crashes/id:000000,sig:06,src:000000,time:2049,execs:911,op:quick,pos:263
new file mode 100644
index 0000000000000000000000000000000000000000..64279d976ad0e474637f422f1b7c4b1469c2f993
--- /dev/null
+++ b/fuzz/crashes/id:000000,sig:06,src:000000,time:2049,execs:911,op:quick,pos:263
@@ -0,0 +1,31 @@
+id: g982zq6e8wsvnmduerpbf8787hu85brugmngn8wf
+name: yaml
+main: yaml.zig
+license: MIT
+description: A Yaml parser built on top of libyaml
+dependencies:
+  - src: git https://github.com/yaml/libyaml tag-0.2.5
+    id: 8mdbh0zuneb0i3hs5jby5je0heem1i6yxusl7c8y8qx68hqc
+  J license: MIT
+    c_include_dirs:
+      - include
+    c_source_flags:
+      - -DYAML_VERSION_MAJOR=0
+      - -DYAML_VERSION_MINOR=2
+      - -DYAML_VERSION_PATCH=5
+      - -DYAML_VERSION_STRING="0.2.5"
+      - -DYAML_DECLARE_STATIC=1
+    c_source_files:
+      - src/api.c
+      - src/dumper.c
+      - src/emitter.c
+      - src/loader.c
+      - src/parser.c
+      - src/reader.c
+      - src/scanner.c
+      - src/writer.c
+
+  - src: git https://github.com/nektro/zig-extras
+
+root_dependencies:
+  - src: git https://github.com/nektro/zig-expect
diff --git a/test.zig b/test.zig
index adbe9046033ce502cad9a5849aefaf4d986e5904..52aa66c870c3a4f6f2b4a553dcd4d852987e8c98 100644
--- a/test.zig
+++ b/test.zig
@@ -11,6 +11,11 @@ test {
 
     try expect(doc.mapping.get_string("id").?).toEqualString("g982zq6e8wsvnmduerpbf8787hu85brugmngn8wf");
 }
+test {
+    const alloc = std.testing.allocator;
+    const doc = yaml.parse(alloc, @embedFile("./fuzz/crashes/id:000000,sig:06,src:000000,time:2049,execs:911,op:quick,pos:263")) catch return;
+    defer doc.deinit(alloc);
+}
 
 fn parseTest(comptime basename: [:0]const u8) !void {
     const alloc = std.testing.allocator;
diff --git a/yaml.zig b/yaml.zig
index 0cc41325a61e6143eb7f832e24938be2efb79333..a71be83a88b319f6595d7784308f45d41a424b6b 100644
--- a/yaml.zig
+++ b/yaml.zig
@@ -302,6 +302,7 @@ fn parse_document(p: *Parser) Error!Document {
     switch (tok.type) {
         c.YAML_MAPPING_START_EVENT => {
             const item = try parse_item(p, tok);
+            errdefer item.deinit(p.alloc);
             const tok2 = try p.next();
             if (tok2.type != c.YAML_DOCUMENT_END_EVENT) {
                 return error.YamlUnexpectedToken;
@@ -310,6 +311,7 @@ fn parse_document(p: *Parser) Error!Document {
         },
         c.YAML_SEQUENCE_START_EVENT => {
             const item = try parse_item(p, tok);
+            errdefer item.deinit(p.alloc);
             const tok2 = try p.next();
             if (tok2.type != c.YAML_DOCUMENT_END_EVENT) {
                 return error.YamlUnexpectedToken;
@@ -357,6 +359,7 @@ fn parse_value(p: *Parser) Error!Value {
 fn parse_sequence(p: *Parser) Error!Sequence {
     var res = std.ArrayList(Item).init(p.alloc);
     errdefer res.deinit();
+    errdefer for (res.items) |k| k.deinit(p.alloc);
 
     while (true) {
         const tok = try p.next();