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6 vulnerabilities found for Pillow by python-pillow

CVE-2026-40192 (GCVE-0-2026-40192)

Vulnerability from nvd – Published: 2026-04-15 22:53 – Updated: 2026-04-16 13:37
VLAI?
Title
Pillow is vulnerable to a FITS GZIP decompression bomb
Summary
Pillow is a Python imaging library. Versions 10.3.0 through 12.1.1 did not limit the amount of GZIP-compressed data read when decoding a FITS image, making them vulnerable to decompression bomb attacks. A specially crafted FITS file could cause unbounded memory consumption, leading to denial of service (OOM crash or severe performance degradation). If users are unable to immediately upgrade, they should only open specific image formats, excluding FITS, as a workaround.
Severity ?
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 10.3.0, < 12.2.0
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Show details on NVD website
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CVE-2026-25990 (GCVE-0-2026-25990)

Vulnerability from nvd – Published: 2026-02-11 20:53 – Updated: 2026-02-12 04:45
VLAI?
Title
Pillow has an out-of-bounds write when loading PSD images
Summary
Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.
Severity ?
8.9 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CWE
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 10.3.0, < 12.1.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-48379 (GCVE-0-2025-48379)

Vulnerability from nvd – Published: 2025-07-01 18:33 – Updated: 2025-07-01 19:42
VLAI?
Title
Pillow Vulnerable to Write Buffer Overflow on BCn encoding
Summary
Pillow is a Python imaging library. In versions 11.2.0 to before 11.3.0, there is a heap buffer overflow when writing a sufficiently large (>64k encoded with default settings) image in the DDS format due to writing into a buffer without checking for available space. This only affects users who save untrusted data as a compressed DDS image. This issue has been patched in version 11.3.0.
Severity ?
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 11.2.0, < 11.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40192 (GCVE-0-2026-40192)

Vulnerability from cvelistv5 – Published: 2026-04-15 22:53 – Updated: 2026-04-16 13:37
VLAI?
Title
Pillow is vulnerable to a FITS GZIP decompression bomb
Summary
Pillow is a Python imaging library. Versions 10.3.0 through 12.1.1 did not limit the amount of GZIP-compressed data read when decoding a FITS image, making them vulnerable to decompression bomb attacks. A specially crafted FITS file could cause unbounded memory consumption, leading to denial of service (OOM crash or severe performance degradation). If users are unable to immediately upgrade, they should only open specific image formats, excluding FITS, as a workaround.
Severity ?
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 10.3.0, < 12.2.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-25990 (GCVE-0-2026-25990)

Vulnerability from cvelistv5 – Published: 2026-02-11 20:53 – Updated: 2026-02-12 04:45
VLAI?
Title
Pillow has an out-of-bounds write when loading PSD images
Summary
Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.
Severity ?
8.9 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CWE
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 10.3.0, < 12.1.1
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CVE-2025-48379 (GCVE-0-2025-48379)

Vulnerability from cvelistv5 – Published: 2025-07-01 18:33 – Updated: 2025-07-01 19:42
VLAI?
Title
Pillow Vulnerable to Write Buffer Overflow on BCn encoding
Summary
Pillow is a Python imaging library. In versions 11.2.0 to before 11.3.0, there is a heap buffer overflow when writing a sufficiently large (>64k encoded with default settings) image in the DDS format due to writing into a buffer without checking for available space. This only affects users who save untrusted data as a compressed DDS image. This issue has been patched in version 11.3.0.
Severity ?
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
python-pillow Pillow Affected: >= 11.2.0, < 11.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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