CVE-2026-59090

Gimp: gimp: arbitrary code execution in psd plugin due to unsigned underflow

Products / packages gimp · Red Hat Enterprise Linux 9 · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · 5 more

Published 10/08/2026, 12:10:40 UTC

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 05/11/2026, 06:00:33 UTC

redhat · CVSS:3.1 · 8.4

Assessment vector

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

Severity

high8.4

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Exploit reference published

Source-linked evidence; not proof of attacks in the wild or independent validation.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

GIMP version 3.3.1 has an unsigned integer underflow vulnerability in its PSD plugin, which may occur when opening a specially crafted .psd image file. This can lead to parser confusion and potentially allow an attacker to inject arbitrary data. The attacker must have access to the victim's system to open the malicious file.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

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Vendor not supplied · redhat

gimp

1 range

redhat version evidence

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affected

3.3.1

Other versions: unknown

Red Hat · redhat

Red Hat Enterprise Linux 9

1 range

redhat version evidence

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unaffected

2:3.0.4-4.el9_8.10 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:9::appstream

Red Hat · redhat

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

1 range

redhat version evidence

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unaffected

2:2.99.8-4.el9_2.7 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:rhel_e4s:9.2::appstream

Red Hat · redhat

Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

1 range

redhat version evidence

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unaffected

2:2.99.8-4.el9_4.19 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:rhel_e4s:9.4::appstream

Red Hat · redhat

Red Hat Enterprise Linux 9.6 Extended Update Support

1 range

redhat version evidence

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unaffected

2:2.99.8-4.el9_6.20 → before *

rpm versions

Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:rhel_eus:9.6::appstream

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

redhat version evidence

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Other versions: unknown

Product identifiers (CPE)

cpe:/o:redhat:rhel_els:6

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:rhel_els:7

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/a:redhat:enterprise_linux:8

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

To mitigate this vulnerability, users should avoid opening untrusted or suspicious PSD image files with GIMP. As a general security practice, it is recommended to only process image files from trusted sources.

redhat guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

The sources identify public exploit references. We have not independently tested them; their availability does not establish exploitation in the wild.

gitlab.gnome.org/GNOME/gimp/-/work_items/16509 ↗Attributed to CISA-ADP

Original source description

Read the full publisher description

A flaw was found in GIMP's PSD file format plugin. This vulnerability, an unsigned integer underflow in the block_rem variable, occurs when a user opens a specially crafted .psd image file. The underflow leads to parser confusion, enabling an attacker to inject arbitrary data as layer resource blocks. This can ultimately result in arbitrary code execution, allowing the attacker to run malicious code on the victim's system.

References

7 sources

access.redhat.com/errata/RHSA-2026:61587

Vendor advisoryredhat

access.redhat.com/errata/RHSA-2026:73768

Vendor advisoryredhat

access.redhat.com/errata/RHSA-2026:80509

Vendor advisoryredhat

access.redhat.com/errata/RHSA-2026:93589

Vendor advisoryredhat

access.redhat.com/security/cve/CVE-2026-59090

Security advisoryredhat

bugzilla.redhat.com/show_bug.cgi

Source referenceredhat

View 1 more references

gitlab.gnome.org/GNOME/gimp/-/work_items/16509

Public exploit referenceredhat · CISA-ADP

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-59090

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-191 ↗

Integer Underflow (Wrap or Wraparound)

redhat

Contributing organizations · 2

redhat

Assigning organization

2026-11-04

CISA-ADP

Additional data publisher

2026-08-12

Timeline

All times UTC

10 Aug 2026, 12:10
Advisory published
Publication date supplied by the source.
4 Nov 2026, 23:07
Source updated
Latest modification date supplied by the source.
5 Nov 2026, 01:48
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes

CVE · CVE-2026-590902026-11-05

Observed 2026-11-05T01:48:36.670Z · upstream updated 2026-11-04T23:07:22.442Z

Product or version evidence changed

before

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  },
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  },
  {
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]

after

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  },
  {
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    "name": "Red Hat Enterprise Linux 9",
    "platforms": [],
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        "lessThan": "*",
        "versionType": "rpm"
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    "cpes": [
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  },
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    "platforms": [],
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        "versionType": "rpm"
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  },
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    "name": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
    "platforms": [],
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  },
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  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: 0.65% estimated probability in the next 30 days. 2026-11-01 · FIRST EPSS.

CISA-ADP · SSVC

CISA Coordinator · 2026-08-12

Exploitation: poc
Automatable: no
Technical Impact: total

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record identifiers

Aliases: None recorded

Source evidence

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CVE CVE-2026-59090