LiveActive security incident?Get immediate response
CVE Record

CVE-2026-4154: GIMP XPM File Parsing Integer Overflow Remote Code Execution Vulnerability

GIMP XPM File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XPM files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28901.

HighCVSS 7.8Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A malicious XPM image can make GIMP run attacker-controlled code if a user opens the file or visits a malicious page that reaches GIMP processing. This is a high-impact workstation risk because code runs as the current user, but the provided sources do not show active exploitation.

Executive priority

Treat as a high-priority desktop application update, especially for teams that handle external image files. It is not currently supported as an emergency internet-wide exploitation event by the provided sources.

Technical view

CVE-2026-4154 is an integer overflow in GIMP XPM parsing. Insufficient validation of user-supplied XPM data can lead to incorrect buffer allocation and arbitrary code execution in the current process. The bundle identifies GIMP 3.0.8 as affected and cites a GNOME commit plus Red Hat advisories.

Likely exposure

Exposure is most likely on endpoints, creative workstations, build systems, or support environments where GIMP 3.0.8 is installed and users may open untrusted image files. Organizations using Red Hat-packaged GIMP should check the referenced Red Hat advisories for package status.

Exploitation context

User interaction is required. The target must open a malicious file or visit a malicious page. The provided bundle says KEV is false and includes no cited evidence of active exploitation in the wild.

Researcher notes

The core weakness is CWE-190 during XPM parsing before buffer allocation. Validate exposure through version and package provenance, not file extension assumptions alone. The bundle does not provide exploit artifacts, fixed version text, or active exploitation confirmation.

Mitigation direction

  • Apply vendor or distribution updates referenced by GNOME and Red Hat guidance.
  • Prioritize endpoints where GIMP opens external or customer-supplied images.
  • Restrict handling of untrusted XPM files until patched.
  • Use endpoint controls to limit GIMP child-process and file-access abuse.
  • Check vendor guidance for fixed versions before declaring remediation complete.

Validation and detection

  • Inventory systems with GIMP installed, especially version 3.0.8.
  • Compare installed packages against GNOME and Red Hat advisory status.
  • Confirm user groups that process untrusted image submissions or attachments.
  • Review endpoint telemetry for unusual GIMP-launched processes.
  • Document exceptions where patching depends on vendor package availability.
Prepared
Confidence
medium
Sources
10

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-190: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-4154 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
5Timeline events
2ADP providers
17Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9zdi
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9redhat-SADP

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2026-4154Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. ADP timelineredhat-SADP

    Made public.

  3. CVE publishedCVE Program

    The CVE record was published.

  4. ADP timelineredhat-SADP

    Reported to Red Hat.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
redhat-SADPgimp: GIMP: Remote Code Execution via XPM File Parsing Integer Overflow
other:Red Hat severity ratingcvssV3_1
  • 2026-04-11T01:00:59.234Z: Reported to Red Hat.
  • 2026-04-11T00:16:10.657Z: Made public.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GIMPGIMP3.0.8unknown
Weakness

CWE details

CWE-190

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-190 · source CWE mapping

Integer Overflow or Wraparound

Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs