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CVE-2026-59198
6.5 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
Activity log
- Created & dismissed (no matching packages found) suggestion
Pillow TGA RLE encoder can serialize up to ~57 KB of adjacent heap data into generated images
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.
References
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https://github.com/python-pillow/Pillow/security/advisories/GHSA-fj7v-r99m-22gq x_refsource_CONFIRMexploit
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https://github.com/python-pillow/Pillow/pull/9709 x_refsource_MISC
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https://github.com/python-pillow/Pillow/releases/tag/12.3.0 x_refsource_MISC
Affected products
Pillow
- ==>= 5.2.0, < 12.3.0