CVE-2026-112402 Pillow - Double Free

Pillow < 13.0.0 contains a double free vulnerability caused by selective allocation failure in ImagingScaleAffine during Transform.EXTENT or Transform.AFFINE operations with NEAREST resampling, letting attackers trigger crashes and memory corruption, exploit requires large Image.transform() under memory pressure.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Double Free
Impact
Denial Of Service
CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-416

Vendor fix

Update to version 13.0.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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