High severity · published Aug 20, 2026
CVE-2026-18308
GIMP TIF File Parsing Integer Overflow Remote Code Execution Vulnerability
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
GIMP TIF 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 TIF 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-29405.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GIMP · GIMP
3.2.2 · source: vendor, NVD
In the news
VulnerabilityHigh
ZDI-26-461: GIMP TIF 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18308.
Jul 29, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18308
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18308
Patch
https://gitlab.gnome.org/GNOME/gimp/-/commit/d84f8e58f56681a0b4c66129c568cb796725ab9d
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-461/
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