CVE-2026-40916

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{"acknowledgement": "Red Hat would like to thank Mehtab Zafar for reporting this issue.", "bugzilla": {"description": "gimp: GIMP: Denial of Service due to stack buffer overflow in TIM image loader", "id": "2458745", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2458745"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in GIMP. A stack buffer overflow vulnerability in the TIM image loader's 4BPP decoding path allows a local user to cause a Denial of Service (DoS). By opening a specially crafted TIM image file, the application crashes due to an unconditional overflow when writing to a variable-length array."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid opening untrusted TIM image files with GIMP. As a general security practice, users should exercise caution when handling files from unknown or suspicious sources."}, "name": "CVE-2026-40916", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "gimp:2.8/gimp", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "gimp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-15T18:41:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40916\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40916"], "statement": "This flaw has a Moderate impact. This vulnerability in GIMP's TIM image loader requires a local user to open a specially crafted TIM image file, leading to a denial of service. Red Hat Enterprise Linux systems are affected if GIMP is installed and used to process untrusted image files.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "gimp", "vendor": "gimp"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Enterprise Linux 6", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}], "analysis": {"en": {"generated_at": "2026-04-15T22:09:46.554198+00:00", "value": {"mitigation_remediation": ["Avoid opening TIM image files from untrusted or unknown sources in GIMP.", "Keep GIMP and the host operating system up to date by regularly checking Red\u00a0Hat security advisories and applying any released patches.", "If handling TIM files is frequent, disable or uninstall the TIM image loader plugin in GIMP to remove the vulnerable code path."], "summary": {"action": "Apply Workaround", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The vulnerability is present in the GIMP package delivered with Red\u00a0Hat Enterprise Linux\u00a06,\u00a07,\u00a08, and\u00a09. Any system running one of these distributions that installs GIMP and can be used by a local user is potentially affected.", "description_and_impact": "A stack buffer overflow in GIMP\u2019s TIM image loader allows a local user to cause the application to crash by opening a specially crafted TIM file. The overflow occurs during 4BPP decoding when writing to a variable\u2011length array, resulting in a denial of service. No direct compromise of confidentiality or integrity is described; the primary impact is to availability of the GIMP process.", "risk_and_exploitability": "The CVSS score of 5 indicates moderate severity. Exploitation requires local access to a user account that can launch GIMP; there is no network\u2011based entry point. EPSS is not available, and the vulnerability is not listed in the CISA KEV catalog, suggesting that widespread active exploitation is not currently demonstrated. The risk level, therefore, is moderate, contingent upon an attacker\u2019s ability to introduce a malicious TIM file locally."}}}}, "created": "2026-04-15T22:15:15.707939+00:00", "updated": "2026-04-16T09:12:19.990686+00:00", "vendors": ["gimp", "gimp$PRODUCT$gimp", "redhat", "redhat$PRODUCT$enterprise_linux"]}