Fix missing null dereference checks#9489
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wiredfool wants to merge 2 commits intopython-pillow:mainfrom
Open
Fix missing null dereference checks#9489wiredfool wants to merge 2 commits intopython-pillow:mainfrom
wiredfool wants to merge 2 commits intopython-pillow:mainfrom
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radarhere
reviewed
Mar 24, 2026
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| if (rgb.height > PY_SSIZE_T_MAX / rgb.rowBytes) { | ||
| PyErr_SetString(PyExc_MemoryError, "Integer overflow in pixel size"); | ||
| // UNDONE avifRGBImageFreePixels(&rgb); ?? |
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Changes proposed in this pull request:
_imaging.c:3767—PyCapsule_SetContext(NULL)whenPyCapsule_Newfails_webp.c:503— NULLbytestoPy_BuildValue("Si")+Py_DECREF(NULL)_avif.c:807— NULLbytestoPy_BuildValue("SKKK")+Py_DECREF(NULL)_avif.c:709— UncheckedPyBytes_FromStringAndSizeleaves active exception →SystemError_imagingmorph.c:187,232— NULLcoordObjtoPyList_Append(2 functions)_imagingft.c:943—PyCapsule_GetPointer(NULL)infont_render_imaging.c:2471—PyTuple_SET_ITEMon NULL tuple in_splitThanks to @devdanzin for the report.