---
title: "CVE-2026-112897: Pillow - Information Disclosure"
description: "Pillow 5.3.0 to 13.0.0 contains an information disclosure vulnerability caused by returning uninitialized memory as pixels during libtiff short decode of JPEG-compressed or Group 4 fax TIFF data, letting attackers disclose stale heap contents, exploit requires crafted TIFF input."
url: https://panop.io/threat-heartbeat/CVE-2026-112897/
---

# CVE-2026-112897 Pillow - Information Disclosure

Pillow 5.3.0 to 13.0.0 contains an information disclosure vulnerability caused by returning uninitialized memory as pixels during libtiff short decode of JPEG-compressed or Group 4 fax TIFF data, letting attackers disclose stale heap contents, exploit requires crafted TIFF input.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112897)

## Details

Type

Information Disclosure

Impact

Information Disclosure

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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-908](https://cwe.mitre.org/data/definitions/908.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-2026-112897](https://nvd.nist.gov/vuln/detail/CVE-2026-112897)
- [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-q45j-58j2-45rg](https://github.com/python-pillow/Pillow/security/advisories/GHSA-q45j-58j2-45rg)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)