---
title: "CVE-2026-112257: GIMP - Buffer Overflow"
description: "GIMP contains a heap out-of-bounds read and write caused by improper BGR-to-RGB channel swap in PSD thumbnail loader, letting attackers cause crash or arbitrary code execution when victim opens crafted PSD file."
url: https://panop.io/threat-heartbeat/CVE-2026-112257/
---

# CVE-2026-112257 GIMP - Buffer Overflow

GIMP contains a heap out-of-bounds read and write caused by improper BGR-to-RGB channel swap in PSD thumbnail loader, letting attackers cause crash or arbitrary code execution when victim opens crafted PSD file.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112257)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

19 October 2026

Updated

20 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to the latest version of GIMP.

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-2026-112257](https://nvd.nist.gov/vuln/detail/CVE-2026-112257)
- [https://access.redhat.com/security/cve/CVE-2026-112257](https://access.redhat.com/security/cve/CVE-2026-112257)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2555574](https://bugzilla.redhat.com/show_bug.cgi?id=2555574)

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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

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

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