CVE-2026-112894 Pillow - Denial of Service

Pillow 5.1.0 to 13.0.0 contains a denial of service caused by quadratic time complexity in PDF object identifier reservation when saving multi-frame images with save_all enabled, letting attackers cause excessive CPU consumption, exploit requires crafted multi-frame image input.

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

Details

Type
Denial of Service
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-407

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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