PYSEC-2026-2255
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/pillow/PYSEC-2026-2255.yaml
- JSON Data
- https://api.test.osv.dev/v1/vulns/PYSEC-2026-2255
- Aliases
- Published
- 2026-07-06T19:17:08.577Z
- Modified
- 2026-07-13T07:41:20.705920628Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Pillow is a Python imaging library. Prior to 12.3.0, PIL/BdfFontFile.py bdfchar() read the BBX width and height field from a BDF font file and passed attacker-controlled dimensions to Image.new() without calling Image.decompressionbombcheck(), bypassing Pillow's documented decompression bomb protection and allowing excessive memory allocation. This issue is fixed in version 12.3.0.
- References
Affected packages
PyPI / pillow
Package
- Name
- pillow
- View open source insights on deps.dev
- Purl
- pkg:pypi/pillow
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed12.3.0
Affected versions
1.*
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7.0
1.7.1
1.7.2
1.7.3
1.7.4
1.7.5
1.7.6
1.7.7
1.7.8
2.*
2.0.0
2.1.0
2.2.0
2.2.1
2.2.2
2.3.0
2.3.1
2.3.2
2.4.0
2.5.0
2.5.1
2.5.2
2.5.3
2.6.0
2.6.1
2.6.2
2.7.0
2.8.0
2.8.1
2.8.2
2.9.0
3.*
3.0.0
3.1.0.rc1
3.1.0rc1
3.1.0
3.1.1
3.1.2
3.2.0
3.3.0
3.3.1
3.3.2
3.3.3
3.4.0
3.4.1
3.4.2
4.*
4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
5.*
5.0.0
5.1.0
5.2.0
5.3.0
5.4.0.dev0
5.4.0
5.4.1
6.*
6.0.0
6.1.0
6.2.0
6.2.1
6.2.2
7.*
7.0.0
7.1.0
7.1.1
7.1.2
7.2.0
8.*
8.0.0
8.0.1
8.1.0
8.1.1
8.1.2
8.2.0
8.3.0
8.3.1
8.3.2
8.4.0
9.*
9.0.0
9.0.1
9.1.0
9.1.1
9.2.0
9.3.0
9.4.0
9.5.0
10.*
10.0.0
10.0.1
10.1.0
10.2.0
10.3.0
10.4.0
11.*
11.0.0
11.1.0
11.2.1
11.3.0
12.*
12.0.0
12.1.0
12.1.1
12.2.0