mirror of
git://git.openembedded.org/meta-openembedded
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808d3a73de
Details: https://nvd.nist.gov/vuln/detail/CVE-2026-25990
Backport commit[1] which fixes this vulnerability as mentioned NVD report in [2].
[1] 9000313cc5
[2] https://nvd.nist.gov/vuln/detail/CVE-2026-25990
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
92 lines
3.3 KiB
Diff
92 lines
3.3 KiB
Diff
From 9000313cc5d4a31bdcdd6d7f0781101abab553aa Mon Sep 17 00:00:00 2001
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From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
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Date: Wed, 11 Feb 2026 10:24:50 +1100
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Subject: [PATCH] Fix OOB Write with invalid tile extents (#9427)
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Co-authored-by: Eric Soroos <eric-github@soroos.net>
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CVE: CVE-2026-25990
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Upstream-Status: Backport [https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa]
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Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
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---
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Tests/test_file_psd.py | 17 +++++++++++++++++
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Tests/test_imagefile.py | 7 +++++++
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src/decode.c | 3 ++-
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src/encode.c | 3 ++-
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4 files changed, 28 insertions(+), 2 deletions(-)
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diff --git a/Tests/test_file_psd.py b/Tests/test_file_psd.py
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index 484a1be8f..1a98daffe 100644
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--- a/Tests/test_file_psd.py
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+++ b/Tests/test_file_psd.py
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@@ -167,3 +167,20 @@ def test_crashes(test_file: str, raises) -> None:
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with pytest.raises(raises):
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with Image.open(f):
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pass
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+
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+
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+@pytest.mark.parametrize(
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+ "test_file",
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+ [
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+ "Tests/images/psd-oob-write.psd",
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+ "Tests/images/psd-oob-write-x.psd",
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+ "Tests/images/psd-oob-write-y.psd",
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+ ],
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+)
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+def test_bounds_crash(test_file: str) -> None:
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+ with Image.open(test_file) as im:
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+ assert isinstance(im, PsdImagePlugin.PsdImageFile)
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+ im.seek(im.n_frames)
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+
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+ with pytest.raises(ValueError):
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+ im.load()
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diff --git a/Tests/test_imagefile.py b/Tests/test_imagefile.py
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index ddcae80d6..8aa102729 100644
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--- a/Tests/test_imagefile.py
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+++ b/Tests/test_imagefile.py
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@@ -135,6 +135,13 @@ class TestImageFile:
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with pytest.raises(OSError):
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p.close()
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+ @pytest.mark.parametrize("xy", ((-1, 0), (0, -1)))
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+ def test_negative_tile_extents(self, xy: tuple[int, int]) -> None:
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+ im = Image.new("1", (1, 1))
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+ fp = BytesIO()
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+ with pytest.raises(SystemError, match="tile cannot extend outside image"):
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+ ImageFile._save(im, fp, [ImageFile._Tile("raw", xy + (1, 1), 0, "1")])
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+
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def test_no_format(self) -> None:
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buf = BytesIO(b"\x00" * 255)
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diff --git a/src/decode.c b/src/decode.c
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index ea2f3af80..43fa0ae3e 100644
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--- a/src/decode.c
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+++ b/src/decode.c
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@@ -185,7 +185,8 @@ _setimage(ImagingDecoderObject *decoder, PyObject *args) {
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state->ysize = y1 - y0;
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}
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- if (state->xsize <= 0 || state->xsize + state->xoff > (int)im->xsize ||
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+ if (state->xoff < 0 || state->xsize <= 0 ||
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+ state->xsize + state->xoff > (int)im->xsize || state->yoff < 0 ||
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state->ysize <= 0 || state->ysize + state->yoff > (int)im->ysize) {
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PyErr_SetString(PyExc_ValueError, "tile cannot extend outside image");
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return NULL;
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diff --git a/src/encode.c b/src/encode.c
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index c7dd51015..87426cdec 100644
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--- a/src/encode.c
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+++ b/src/encode.c
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@@ -250,7 +250,8 @@ _setimage(ImagingEncoderObject *encoder, PyObject *args) {
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state->ysize = y1 - y0;
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}
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- if (state->xsize <= 0 || state->xsize + state->xoff > im->xsize ||
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+ if (state->xoff < 0 || state->xsize <= 0 ||
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+ state->xsize + state->xoff > im->xsize || state->yoff < 0 ||
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state->ysize <= 0 || state->ysize + state->yoff > im->ysize) {
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PyErr_SetString(PyExc_SystemError, "tile cannot extend outside image");
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return NULL;
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--
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2.50.1
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