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index 00000000000..48c7fe61ff0
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diff --git a/sapi/fuzzer/corpus/exif/tag_with_illegal_zero_components.jpeg b/sapi/fuzzer/corpus/exif/tag_with_illegal_zero_components.jpeg
new file mode 100644
index 00000000000..c000b938df5
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diff --git a/sapi/fuzzer/corpus/exif/temporary_buffer_leak.jpg b/sapi/fuzzer/corpus/exif/temporary_buffer_leak.jpg
new file mode 100644
index 00000000000..c9f7ce821fe
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diff --git a/sapi/fuzzer/corpus/exif/zero_length_makernote_leak.tiff b/sapi/fuzzer/corpus/exif/zero_length_makernote_leak.tiff
new file mode 100644
index 00000000000..f1541b39b62
Binary files /dev/null and b/sapi/fuzzer/corpus/exif/zero_length_makernote_leak.tiff differ
diff --git a/sapi/fuzzer/corpus/unserialize/int_min_iv b/sapi/fuzzer/corpus/unserialize/int_min_iv
new file mode 100644
index 00000000000..6900dce0884
--- /dev/null
+++ b/sapi/fuzzer/corpus/unserialize/int_min_iv
@@ -0,0 +1 @@
+i:-9223372036854775808;
diff --git a/sapi/fuzzer/corpus/unserialize/leak_17628 b/sapi/fuzzer/corpus/unserialize/leak_17628
new file mode 100644
index 00000000000..45fd8644db7
--- /dev/null
+++ b/sapi/fuzzer/corpus/unserialize/leak_17628
@@ -0,0 +1 @@
+a:2:{i:0;O:19:"SplDoublyLinkedList":8:
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diff --git a/sapi/fuzzer/corpus/unserialize/leak_17639 b/sapi/fuzzer/corpus/unserialize/leak_17639
new file mode 100644
index 00000000000..fb8625a700f
--- /dev/null
+++ b/sapi/fuzzer/corpus/unserialize/leak_17639
@@ -0,0 +1 @@
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diff --git a/sapi/fuzzer/corpus/unserialize/leak_17646 b/sapi/fuzzer/corpus/unserialize/leak_17646
new file mode 100644
index 00000000000..ac7969e6836
--- /dev/null
+++ b/sapi/fuzzer/corpus/unserialize/leak_17646
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/sapi/fuzzer/corpus/unserialize/splobjectstorage_negative_count b/sapi/fuzzer/corpus/unserialize/splobjectstorage_negative_count
new file mode 100644
index 00000000000..29a3ac47afa
--- /dev/null
+++ b/sapi/fuzzer/corpus/unserialize/splobjectstorage_negative_count
@@ -0,0 +1 @@
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