CVE-2026-59198
Pillow TGA RLE encoder can serialize up to ~57 KB of adjacent heap data into generated images
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
Pillow is a Python imaging library. From 5.2.0 until 12.3.0, Pillow's TGA RLE encoder reads past its packed row buffer when saving a mode 1 image with TGA RLE compression, allowing adjacent process heap bytes to be copied into the generated TGA file. This issue is fixed in version 12.3.0.
| CWE | CWE-125 |
| Vendor | python-pillow |
| Product | pillow |
| Published | Jul 14, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low
Affected Versions
python-pillow / Pillow
>= 5.2.0, < 12.3.0
References
github.com: https://github.com/python-pillow/Pillow/security/advisories/GHSA-fj7v-r99m-22gq github.com: https://github.com/python-pillow/Pillow/pull/9709 github.com: https://github.com/python-pillow/Pillow/commit/eada3cbd7fb9963ee90673fb7b5270124a0d5f4b github.com: https://github.com/python-pillow/Pillow/releases/tag/12.3.0