CVE-2026-112398 Pillow - Buffer Overflow

Pillow < 13.0.0 contains a buffer overflow caused by improper handling of FlashPix JPEG-tile decoding in ImagingJpegDecode, letting attackers supply crafted OLE2 FlashPix files to execute arbitrary code, exploit requires olefile dependency and untrusted input.

CVSS base score 9.2 /10
Critical
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/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-122

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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