CVE-2026-31853

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{"bugzilla": {"description": "imagemagick: ImageMagick: Denial of Service via overflow in SFW decoder when processing large images on 32-bit systems", "id": "2446690", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446690"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A flaw was found in ImageMagick. An overflow on 32-bit systems in the SFW decoder can lead to a crash when processing extremely large images. This vulnerability could allow an attacker to cause a Denial of Service (DoS) by providing a specially crafted large image."], "mitigation": {"lang": "en:us", "value": "Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability.\nTo reduce the risk of denial of service, avoid processing untrusted or excessively large SFW (Structured Fax File) images with ImageMagick on 32-bit systems."}, "name": "CVE-2026-31853", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-03-11T17:09:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31853\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31853\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-56jp-jfqg-f8f4"], "statement": "This MODERATE impact flaw in ImageMagick affects 32-bit systems. An attacker could trigger a denial of service by providing a specially crafted, extremely large image for processing by the SFW decoder. This vulnerability is applicable to Red Hat Enterprise Linux 6 ELS and 7 ELS when running on 32-bit architectures.\n```\nIt is important to note that ImageMagick has been removed from Red Hat Enterprise Linux 8 and later releases. Therefore, current supported RHEL 8 and newer systems are not affected by this issue unless ImageMagick is installed from third-party or custom repositories.\nFor additional information, refer to https://access.redhat.com/solutions/4437561.\n```", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.1.2-16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.9.13-41)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ImageMagick", "source": "cna", "vendor": "ImageMagick"}, "product": "imagemagick", "vendor": "imagemagick"}], "analysis": {"en": {"generated_at": "2026-03-17T21:07:40.598409+00:00", "value": {"mitigation_remediation": ["Apply the latest ImageMagick patch, upgrading to version 7.1.2\u201116 or 6.9.13\u201141"], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The issue affects all 32\u2011bit installations of ImageMagick versions released prior to 7.1.2\u201116 on the 7.x branch and prior to 6.9.13\u201141 on the 6.x branch. Any environment running those earlier builds is vulnerable, regardless of operating system.", "description_and_impact": "ImageMagick, widely used for image editing, contains a heap buffer overflow in its SFW decoder when parsing extremely large images on 32\u2011bit systems. The overflow can trigger a process crash, resulting in a denial of service. The weakness is identified as CWE\u2011122, an out\u2011of\u2011bounds write that corrupts heap memory.", "risk_and_exploitability": "The CVSS score of 5.7 indicates moderate severity. EPSS reports an exploitation likelihood of less than 1%, and the vulnerability is not listed in the CISA KEV catalog. Attackers can exploit the flaw by providing a crafted, oversized image to any process that uses the SFW decoder, either remotely or locally depending on who can influence image input. The exploit path is straightforward: submit the large image, trigger the overflow, and cause a crash, leading to denial of service."}}}}, "created": "2026-03-12T09:57:42.604010+00:00", "updated": "2026-03-20T15:30:22.734892+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}