CVE-2026-18304

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "GIMP", "vendor": "GIMP", "versions": [{"status": "affected", "version": "3.2.2"}]}], "source": "zdi-disclosures@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gimp:gimp:3.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "BC4288A7-0D8F-4D0E-B1A1-DE448A521562", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\nThe 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-29403."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo por desbordamiento de entero en el an\u00e1lisis de archivos TIF de GIMP. Esta vulnerabilidad permite a atacantes remotos ejecutar c\u00f3digo arbitrario en instalaciones afectadas de GIMP. Se requiere interacci\u00f3n del usuario para explotar esta vulnerabilidad, ya que el objetivo debe visitar una p\u00e1gina maliciosa o abrir un archivo malicioso.\n\nLa falla espec\u00edfica existe dentro del an\u00e1lisis de archivos TIF. El problema resulta de la falta de validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede resultar en un desbordamiento de entero antes de asignar un b\u00fafer. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del proceso actual. Fue ZDI-CAN-29403."}], "id": "CVE-2026-18304", "lastModified": "2026-10-26T10:10:00.140", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18304", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-21T03:57:21.840430Z", "version": "2.0.3"}}]}, "published": "2026-08-20T17:17:27.403", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Patch"], "url": "https://gitlab.gnome.org/GNOME/gimp/-/commit/ad32d22c347674fa1bb5b60935c376b673d946e7"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "Patch"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-457/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{"bugzilla": {"description": "gimp: GIMP: Arbitrary code execution via crafted TIF file parsing", "id": "2520560", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2520560"}, "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 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.\nThe 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-29403.", "A flaw was found in GIMP. This vulnerability allows a remote attacker to execute arbitrary code by tricking a user into opening a specially crafted TIF file. The issue arises from improper validation of user-supplied data during TIF file parsing, which can lead to an integer overflow before memory allocation. Successful exploitation could result in the attacker executing code in the context of the current process."], "mitigation": {"lang": "en:us", "value": "Since this vulnerability requires user interaction with a malicious file, users should exercise caution when opening TIF image files from untrusted sources. To further reduce risk, consider running GIMP within a sandboxed environment, such as a container or Flatpak, to limit the potential impact of a successful exploit."}, "name": "CVE-2026-18304", "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": "2026-08-20T16:23:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-18304\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-18304\nhttps://gitlab.gnome.org/GNOME/gimp/-/commit/ad32d22c347674fa1bb5b60935c376b673d946e7\nhttps://www.zerodayinitiative.com/advisories/ZDI-26-457/"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.2.2"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "GIMP", "source": "cna", "vendor": "GIMP"}, "product": "gimp", "vendor": "gimp"}], "created": "2026-08-20T17:45:03.323830+00:00", "updated": "2026-08-20T20:15:04.438995+00:00", "vendors": ["gimp", "gimp$PRODUCT$gimp"]}