---
title: "CVE-2026-112404: Pillow - Information Disclosure & Denial of Service"
description: "Pillow 8.1.0 to 13.0.0 contains an information disclosure caused by improper bounds checking in TIFF tile and RGBA decode paths, letting attackers expose adjacent heap data or crash the process, exploit requires crafted TIFF files."
url: https://panop.io/threat-heartbeat/CVE-2026-112404/
---

# CVE-2026-112404 Pillow - Information Disclosure & Denial of Service

Pillow 8.1.0 to 13.0.0 contains an information disclosure caused by improper bounds checking in TIFF tile and RGBA decode paths, letting attackers expose adjacent heap data or crash the process, exploit requires crafted TIFF files.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112404)

## Details

Type

Information Disclosure

Impact

Information Disclosure, Denial Of Service

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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-126](https://cwe.mitre.org/data/definitions/126.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-112404](https://nvd.nist.gov/vuln/detail/CVE-2026-112404)
- [https://github.com/python-pillow/Pillow/commit/1d4773e6cea0c4a2814e6d4cdc099bbcf56da6ce](https://github.com/python-pillow/Pillow/commit/1d4773e6cea0c4a2814e6d4cdc099bbcf56da6ce)
- [https://github.com/python-pillow/Pillow/releases/tag/13.0.0](https://github.com/python-pillow/Pillow/releases/tag/13.0.0)
- [https://github.com/python-pillow/Pillow/security/advisories/GHSA-c6hw-5grf-ff96](https://github.com/python-pillow/Pillow/security/advisories/GHSA-c6hw-5grf-ff96)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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