CVE-2026-112403Critical· 9.2▾ MidnightPillow is a Python imaging library. Prior to 13.0.0, Pillow's JPEG decoder can write a full-width scanline into a buffer sized for a requested draft scale. ImagingJpegDecode does not verify libjpeg's actual output width and component cou…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.6 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's JPEG decoder can write a full-width scanline into a buffer sized for a requested draft scale. ImagingJpegDecode does not verify libjpeg's actual output width and component count after scaling is requested, and an 8-bit lossless SOF3 JPEG decoded by a build linked to libjpeg-turbo 3.x can ignore the requested downscaling geometry. An attacker can supply such a JPEG to an application that uses draft() or thumbnail() to request downscaling. This can corrupt heap memory, crash the process, or potentially allow code execution. Older libjpeg-turbo 2.x and IJG builds reject the SOF3 input. This issue is fixed in version 13.0.0.
Pillow < 13.0.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-112398Critical· 9.2Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution
CVE-2026-112395Medium· 6.5Pillow tiled-TIFF decoder reads past tile buffer in copy4 (Unpack.c:1290)
CVE-2026-112393Critical· 9.2Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO
CVE-2026-112390High· 8.2Pillow: Infinite loop in MIC n_frames when the embedded TIFF
CVE-2026-112394Medium· 6.3Pillow: P;2L and P;4L decoders may read 1 to 3 bytes past the passed buffer size
CVE-2026-112391Medium· 6.3Pillow: PdfParser can recurse without limit in get_value() and linearize_page_tree()