CVE-2026-112390
Publication date 19 October 2026
Last updated 12 November 2026
Ubuntu priority
Description
Pillow is a Python imaging library. From 7.2.0 until 13.0.0, Pillow can enter an infinite loop while determining the frame count of a MIC image. MicImageFile inherits TIFF frame traversal, but MicImageFile.tell reports the OLE stream index and its seek() resets TIFF frame state, so an embedded TIFF with at least three IFDs never advances. When an application with olefile installed reads n_frames or saves all frames from a crafted MIC file, the non-advancing traversal can hold a worker at full CPU indefinitely. This issue is fixed in version 13.0.0.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| pillow | 26.10 stonking |
Fixed in 12.3.0-1ubuntu2
|
| 26.04 LTS resolute |
Fixed in 12.1.1-2ubuntu1.5
|
|
| 24.04 LTS noble |
Fixed in 10.2.0-1ubuntu1.5
|
|
| 22.04 LTS jammy |
Fixed in 9.0.1-1ubuntu0.7
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
|
| pillow-python2 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal |
Needs evaluation
|
Severity score breakdown
CVSS version:
Base score
8.2 · High
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-9064-1
- Pillow vulnerabilities
- 12 November 2026