CVE-2026-4153: GIMP PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

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HIGH 7.8DOWNGRADE

CVE-2026-4153 is a high-severity flaw (CVSS 7.8) affecting gimp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GIMP PSP File Parsing Heap-based Buffer 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 PSP files. The issue results from the lack of proper validation of the length of

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-122, CWE-787, CWE-120
Published	2026-04-11
Last modified	2026-07-15

Publisher (CNA): Zero Day Initiative · Vendor: gimp

Last updated 2026-07-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-11 01:16 UTCPublished CVE record published
2026-07-15 02:22 UTCUpdated Record last modified

gimp gimp DOWNGRADE

Affected: 3.0.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.8

1. Check installed version

apt-cache policy gimp || rpm -q gimp || gimp --version

2. No fixed release: DOWNGRADE to a release before 3.0.8 (Debian / Ubuntu)

apt-cache madison gimp sudo apt install gimp=<VERSION_BEFORE_3.0.8> sudo apt-mark hold gimp

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list gimp sudo dnf downgrade gimp-<VERSION_BEFORE_3.0.8> sudo dnf versionlock add gimp

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Advisories and coverage

Official advisories

AlmaLinux Errata: [ALSA-2026:19362] Important: gimp security update 2026-07-02

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-4153?

gimp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-4153 being exploited?

CVE-2026-4153 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-4153 affect?

CVE-2026-4153 affects gimp. Severity is high (CVSS 7.8). GIMP PSP File Parsing Heap-based Buffer 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 vulne

How urgent is CVE-2026-4153?

Priority 40/100. High severity

Related CVEs

CVE-2026-40917 MEDIUM 5.0 MITIGATE MITIGATE A flaw was found in GIMP
CVE-2026-6384 HIGH 7.3 MITIGATE MITIGATE A flaw was found in gimp
CVE-2026-40919 MEDIUM 6.1 MITIGATE MITIGATE A flaw was found in GIMP
CVE-2026-40915 MEDIUM 5.5 MITIGATE MITIGATE A flaw was found in GIMP
CVE-2026-40918 MEDIUM 5.5 MITIGATE MITIGATE A flaw was found in GIMP

References

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