{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18301", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2026-07-29T17:12:27.237Z", "datePublished": "2026-08-20T16:23:03.121Z", "dateUpdated": "2026-08-27T16:24:53.747Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2026-08-20T16:23:03.121Z"}, "title": "GIMP PSD File Parsing Integer Overflow Remote Code Execution Vulnerability", "descriptions": [{"lang": "en", "value": "GIMP PSD 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.\n\nThe specific flaw exists within the parsing of PSD 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-29395."}], "affected": [{"vendor": "GIMP", "product": "GIMP", "versions": [{"version": "3.2.2", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-190", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-454/", "name": "ZDI-26-454", "tags": ["x_research-advisory"]}, {"url": "https://gitlab.gnome.org/GNOME/gimp/-/merge_requests/2772", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2026-07-29T17:12:27.264Z", "datePublic": "2026-07-29T21:28:04.563Z", "source": {"lang": "en", "value": "Anonymous"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18301", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-21T03:57:17.510250Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T16:24:53.747Z"}}]}}

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{"bugzilla": {"description": "gimp: GIMP: Remote code execution via PSD file parsing integer overflow", "id": "2520561", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2520561"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["GIMP PSD 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.\nThe specific flaw exists within the parsing of PSD 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-29395.", "A flaw was found in GIMP. A remote attacker could exploit an integer overflow vulnerability within the `read_channel_data` function during PSD (Photoshop Document) file parsing by enticing a user to open a specially crafted PSD file. This could lead to arbitrary code execution in the context of the current process."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid opening untrusted or suspicious PSD files with GIMP. As GIMP is a desktop application that processes untrusted content, exercising caution with the origin of files is a primary defense. No specific configuration or operational controls are available to prevent exploitation without patching."}, "name": "CVE-2026-18301", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "gimp:2.8/gimp", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-20T16:23:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-18301\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-18301\nhttps://gitlab.gnome.org/GNOME/gimp/-/merge_requests/2772\nhttps://www.zerodayinitiative.com/advisories/ZDI-26-454/"], "threat_severity": "Important"}