High

Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file.

  • Disclosed: 24.04.2017
  • Updated: 11.10.2026 12:20

Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) pillow >= 2.5.0, < 3.1.2 3.1.2

References

CVSS score 5.5/10
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-119
Platform
Python (PyPI)
Package
pillow
Disclosed
24.04.2017
Updated
11.10.2026 12:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-v9pc-9mvp-x87g - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2017-92 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: pillow

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (81) in the archive
Total entries
81
First → latest
04.2014 10.2026
Without a fix
0
Exploited in attacks
1

Severity breakdown

  • Critical 10
  • High 53
  • Medium 16
  • Low 1
  • Unrated 1

Disclosures per year

  1. 2017: 1
  2. 2018: 0
  3. 2019: 1
  4. 2020: 10
  5. 2021: 20
  6. 2022: 8
  7. 2023: 3
  8. 2024: 2
  9. 2025: 1
  10. 2026: 23

earlier: 12

Severity:
  1. Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file. this entry
    High · 5.5 CVE-2016-3076 >= 2.5.0, < 3.1.2 3.1.2
  2. High · 7.5 CVE-2026-59200 >= 5.1.0, < 12.3.0 12.3.0
  3. High CVE-2026-42311 >= 10.3.0, < 12.2.0 12.2.0
  4. High · 7.5 CVE-2026-40192 >= 10.3.0, < 12.2.0 12.2.0
  5. High CVE-2026-25990 >= 10.3.0, < 12.1.1 12.1.1
  6. High · 7.1 CVE-2025-48379 >= 11.2.0, < 11.3.0 11.3.0
  7. High · 6.7 CVE-2024-28219 < 10.3.0 10.3.0
  8. Critical · 8.1 CVE-2023-50447 < 10.2.0 10.2.0
Show more (20) Showing 21 of 63

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