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Seek past BeginBinary data when parsing EPS metadata #9211

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Merged
merged 1 commit into from
Oct 8, 2025
Merged

Seek past BeginBinary data when parsing EPS metadata #9211

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8 changes: 8 additions & 0 deletions Tests/test_file_eps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,14 @@ def test_load_long_binary_data(prefix: bytes) -> None:
assert img.format == "EPS"


def test_begin_binary() -> None:
with open("Tests/images/eps/binary_preview_map.eps", "rb") as fp:
data = bytearray(fp.read())
data[76875 : 76875 + 11] = b"%" * 11
with Image.open(io.BytesIO(data)) as img:
assert img.size == (399, 480)


@mark_if_feature_version(
pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
)
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3 changes: 3 additions & 0 deletions src/PIL/EpsImagePlugin.py
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Expand Up @@ -354,6 +354,9 @@ def read_comment(s: str) -> bool:
read_comment(s)
elif bytes_mv[:9] == b"%%Trailer":
trailer_reached = True
elif bytes_mv[:14] == b"%%BeginBinary:":
bytecount = int(byte_arr[14:bytes_read])
self.fp.seek(bytecount, os.SEEK_CUR)
bytes_read = 0

# A "BoundingBox" is always required,
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