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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für Python: 310. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 7029

  1. CVE-2026-112897

    Hoch · CVSS 8.7EPSS 0,51%Korrektur verfügbar

    Pillow: TiffDecode returns uninitialized memory as pixels for short JPEG strips

    Pillow is a Python imaging library. From 5.3.0 until 13.0.0, Pillow can return uninitialized memory as pixels when libtiff performs a short decode of JPEG-compressed or Group 4 fax TIFF data. The _decodeStrip and _decodeTile buffers can be larger than the bytes written by libtiff, but Pillow converts the expected rows without clearing the unwritten tail. The tile path is affected from 5.3.0 and the strip path from 6.0.0. An attacker can supply a crafted TIFF to an application that loads and returns or re-encodes its pixels. This can disclose stale heap contents without memory corruption or a process crash. This issue is fixed in version 13.0.

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  2. CVE-2026-112896

    Hoch · CVSS 8.8EPSS 0,49%Korrektur verfügbar

    Pillow: TIFF encoder ColorMap plane-size mismatch causes a heap out-of-bounds read

    Pillow is a Python imaging library. Prior to 13.0.0, Pillow's TIFF encoder can read beyond a ColorMap buffer when retained TIFF metadata has a plane size inconsistent with BitsPerSample. A small TIFF can be opened normally and then retain a crafted ColorMap that is reused when the image is saved. An application that re-encodes the attacker's TIFF with libtiff can trigger the out-of-bounds read. This can disclose heap memory in the output or crash the process. This issue is fixed in version 13.0.0.

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  3. CVE-2026-112895

    Hoch · CVSS 8.7EPSS 0,42%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Unbounded recursion parsing a PDF page tree or trailer chain (incomplete fix for CVE-2026-42310)

    Pillow is a Python imaging library. From 5.1.0 until 13.0.0, Pillow can exhaust resources while parsing an existing PDF during an append operation. PdfParser follows page-tree child references without cycle or duplication tracking and follows previous-trailer chains with only an exact repeated-offset guard, so deep or cyclic page trees and long chains of unique trailer offsets can exhaust the Python stack. Repeated non-cyclic /Kids references can also cause super-linear CPU and memory use. An attacker can supply such a PDF to an application that calls Image.save with PDF append enabled. This can raise an uncaught RecursionError or consume exc

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  4. CVE-2026-112894

    Hoch · CVSS 8.7EPSS 0,51%Korrektur verfügbar

    Pillow: Quadratic-time DoS in PDF save_all (PdfParser.next_object_id)

    Pillow is a Python imaging library. From 5.1.0 until 13.0.0, Pillow takes quadratic time to reserve PDF object identifiers when saving many frames with save_all enabled. PdfParser.next_object_id() repeatedly rebuilds and scans all previously reserved identifiers for every object. An attacker can supply a multi-frame image, including a small APNG with a large declared frame count, to an application that converts it to a multipage PDF. This can consume excessive CPU and deny service. This issue is fixed in version 13.0.0.

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  5. CVE-2026-112893

    Hoch · CVSS 8.2EPSS 0,39%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Invalid free in FreeType glyph rendering when a stroker is active

    Pillow is a Python imaging library. From 10.0.0 until 13.0.0, Pillow can free an invalid glyph pointer during FreeType rendering with an active stroker. If FT_Load_Glyph fails, cleanup may call FT_Done_Glyph on an uninitialized or stale glyph variable. An attacker can supply a malformed font as untrusted bytes to an application that draws text with a nonzero stroke width, forcing the glyph-load failure path. This can corrupt memory or crash the process. This issue is fixed in version 13.0.0.

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  6. CVE-2026-112892

    Hoch · CVSS 8.7EPSS 0,42%Korrektur verfügbar

    Pillow: MSP RLE decoder expands a tiny file into unbounded memory

    Pillow is a Python imaging library. From 4.1.0 until 13.0.0, Pillow's MSP RLE decoder can expand a small file into an unbounded in-memory buffer. The decoder writes run-length output to BytesIO without limiting expansion to the declared image size. An attacker can supply a crafted MSP image to an application that loads its pixels. This can exhaust memory and deny service even when the declared pixel count passes the decompression-bomb check. This issue is fixed in version 13.0.0.

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  7. CVE-2026-112891

    Mittel · CVSS 6.9EPSS 0,48%Korrektur verfügbar

    Pillow: Quadratic GIF comment copying during save

    Pillow is a Python imaging library. From 9.2.0 until 13.0.0, Pillow performs quadratic copying when saving a GIF with a long comment. _get_global_header() repeatedly copies portions of comment data while assembling the global header, including comments retained from an untrusted input image. An attacker can supply an image with a large GIF comment to an application that saves it as GIF. This can consume excessive CPU and delay or deny service. This issue is fixed in version 13.0.0.

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  8. CVE-2026-112406

    Hoch · CVSS 8.7EPSS 0,42%Korrektur verfügbar

    Pillow: Infinite loop in PdfParser.rewrite_pages on page tree Parent cycle

    Pillow is a Python imaging library. From 5.1.0 until 13.0.0, Pillow can enter an infinite loop while rewriting PDF pages. PdfParser.rewrite_pages() follows Parent relationships without detecting a cycle in the page tree. An attacker can supply a cyclic PDF to an application that appends an image to that PDF. This can hold the worker at full CPU and deny service. This issue is fixed in version 13.0.0.

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  9. CVE-2026-112405

    Hoch · CVSS 8.7EPSS 0,42%Öffentlicher ExploitKorrektur verfügbar

    Pillow: NULL pointer dereference in Image.merge via an unvalidated band 0

    Pillow is a Python imaging library. From 12.0.0 until 13.0.0, Pillow's Image.merge() can dereference a null image8 plane. Validation skips the first input band, allowing a 32-bit integer or floating-point image backed by image32 storage to be merged as a narrower multiband image. A crafted IPTC file can reach this path when an application opens and loads it, or a caller can invoke Image.merge() directly with such a first band. This causes a native process crash. This issue is fixed in version 13.0.0.

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  10. CVE-2026-112404

    Hoch · CVSS 8.8EPSS 0,39%Korrektur verfügbar

    Pillow: OOB read in TiffDecode.c tile and RGBA paths leaks heap memory into pixels

    Pillow is a Python imaging library. From 8.1.0 until 13.0.0, Pillow's TIFF tile and RGBA decode paths can read beyond row data produced by libtiff. In _decodeTile and the RGBA unpacker path, when Pillow and libtiff interpret duplicated PhotometricInterpretation or BitsPerSample tags differently, Pillow does not verify that the required input row fits inside the row libtiff produced, while the strip path has this validation. Loading pixels from such a crafted TIFF can expose adjacent heap data in output pixels or crash the process. This issue is fixed in version 13.0.0.

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  11. CVE-2026-112403

    Kritisch · CVSS 9.2EPSS 0,77%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Heap buffer overflow in ImagingJpegDecode

    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

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  12. CVE-2026-112402

    Hoch · CVSS 8.7EPSS 0,51%Korrektur verfügbar

    Pillow: Double free in ImagingScaleAffine on calloc failure via Image.transform

    Pillow is a Python imaging library. Prior to 13.0.0, Pillow can double free image memory when ImagingScaleAffine encounters a selective allocation failure. The affected fast path handles Transform.EXTENT or pure scale-and-translate Transform.AFFINE operations with the default NEAREST resampling. The output image allocation must succeed while the additional per-column lookup allocation fails, after which the error path deletes image storage that later cleanup releases again. An attacker who can drive such a large Image.transform() operation under memory pressure may trigger the failure. This can crash the process and may corrupt memory. This i

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  13. CVE-2026-112397

    Hoch · CVSS 8.7EPSS 0,49%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Out-of-bounds access in _imagingmorph on a zero-width image

    Pillow is a Python imaging library. Prior to 13.0.0, Pillow's ImageMorph.MorphOp.apply() can access memory before a row buffer for a zero-width image. PPM and PGM input can create an image with width zero, and the native morphology routine indexes outrow[width - 1] without rejecting that geometry. An attacker can supply such an image to an application that applies a morphology operation. This can crash the process. This issue is fixed in version 13.0.0.

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  14. CVE-2026-112392

    Hoch · CVSS 8.2EPSS 0,5%Öffentlicher ExploitKorrektur verfügbar

    Pillow: NULL dereference in ImagingExpand via rank filters on zero-size images

    Pillow is a Python imaging library. Prior to 13.0.0, Pillow's rank-based filters can dereference invalid image storage for a zero-size image. ImagingExpand() allocates a non-empty output and then faults while replicating edges by reading the first pixel from empty input storage; ImagingRankFilter is never reached. An attacker can supply or cause creation of a zero-size image to an application that applies a rank, median, minimum, or maximum filter. This causes a native process crash. This issue is fixed in version 13.0.0.

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  15. CVE-2026-112401

    Mittel · CVSS 6.9EPSS 0,48%Korrektur verfügbar

    Pillow: Quadratic GIF comment concatenation allows DoS in Image.open()

    Pillow is a Python imaging library. From 5.4.0 until 13.0.0, Pillow performs quadratic copying while parsing GIF comments. GifImageFile._seek() repeatedly appends immutable bytes for comment sub-blocks and multiple comment extensions, and frame zero is parsed during Image.open(). An attacker can submit a small-dimension GIF containing many comment extensions to any application that opens the file. This can consume excessive CPU and deny service before the application can inspect the image. This issue is fixed in version 13.0.0.

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  16. CVE-2026-112400

    Hoch · CVSS 8.7EPSS 0,51%Öffentlicher ExploitKorrektur verfügbar

    Pillow: GIF seek keeps rejected size after DecompressionBombError, allowing DoS

    Pillow is a Python imaging library. From 9.2.0 until 13.0.0, Pillow can retain a rejected GIF frame size after a decompression-bomb exception. In GifImageFile._seek, a crafted GIF can leave rejected dimensions stored after Image.DecompressionBombError; if an application catches that exception and continues processing the same image object, later seek or load operations allocate according to those dimensions and can exhaust memory, denying service. This issue is fixed in version 13.0.0.

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  17. CVE-2026-112399

    Hoch · CVSS 8.7EPSS 0,39%Korrektur verfügbar

    Pillow: APNG background disposal allocates full canvas before decompression bomb check

    Pillow is a Python imaging library. From 8.1.0 until 13.0.0, Pillow can allocate an APNG disposal background at the full canvas size before applying the decompression-bomb check. A crafted APNG with a small first frame, a very large declared canvas, and background disposal or first-frame OP_PREVIOUS reaches PngImageFile._seek while Image.open() positions frame zero. The full-canvas allocation occurs inside Image.open() without requiring pixel loading or frame iteration. This can exhaust memory and deny service. This issue is fixed in version 13.0.0.

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  18. CVE-2026-112398

    Kritisch · CVSS 9.2EPSS 0,57%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution

    Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components, causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution. This issue is fixed i

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  19. CVE-2026-53995

    Hoch · CVSS 8.8EPSS 0,6%Öffentlicher ExploitKorrektur verfügbar

    MLflow 3.17.1 and prior Path Traversal via Trace ID API

    MLflow 3.17.1 and earlier contains a path traversal vulnerability in the FileStore tracking backend that allows unauthenticated attackers to control filesystem paths by submitting a crafted trace ID containing traversal sequences to the POST /api/3.0/mlflow/traces endpoint. Attackers can exploit FileStore.start_trace() to write trace_info.yaml, request_metadata, and tag files with attacker-controlled metadata outside the intended experiment trace directory, subject to the server process's filesystem permissions. FileStore is the default tracking backend before MLflow 3.7.0 and opt-in thereafter (the default changed to a SQLite database), so d

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  20. CVE-2026-112396

    Mittel · CVSS 5.9EPSS 0,59%Öffentlicher ExploitKorrektur verfügbar

    Pillow: Heap use-after-free when encoding TIFF to an in-memory buffer

    Pillow is a Python imaging library. From 11.3.0 until 13.0.0, Pillow has a heap use-after-free when libtiff rejects a tag while encoding TIFF data to an in-memory buffer. When an application saves attacker-influenced TIFF tags to BytesIO, libtiff can reject a tag during encoding in ImagingLibTiffEncode; the error path then frees the output buffer without closing or clearing the TIFF handle, and later cleanup flushes through the write callback into freed memory, which can crash the process and may enable code execution. This issue is fixed in version 13.0.0.

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