CVE-2026-56369

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{"bugzilla": {"description": "ImageMagick: ImageMagick: Information disclosure due to AES-CTR nonce reuse", "id": "2495443", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495443"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-323", "details": ["ImageMagick before 7.1.2-22 contains an information disclosure vulnerability in the PasskeyEncipherImage method due to AES-CTR nonce reuse. Attackers can exploit nonce reuse in the cipher implementation to recover plaintext information from encrypted images.", "A vulnerability has been identified in ImageMagick, a software tool used to create, edit, and convert image files. This flaw allows a remote attacker to potentially decrypt and view images that were supposed to be securely encrypted by the software, leading to an unauthorized disclosure of sensitive data."], "mitigation": {"lang": "en:us", "value": "To mitigate this stop using ImageMagick's built-in encryption feature. Rely on standard, OS-level data-at-rest encryption (such as LUKS) to protect sensitive media instead."}, "name": "CVE-2026-56369", "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": "2026-06-30T22:08:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-56369\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-56369\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qv2q-c278-pch5\nhttps://www.vulncheck.com/advisories/imagemagick-information-disclosure-via-aes-ctr-nonce-reuse-in-passkeyencipherimage"], "statement": "This Low impact information disclosure flaw in ImageMagick arises from AES-CTR nonce reuse within the `PasskeyEncipherImage` method. Exploitation requires an attacker to specifically target encrypted images processed by this method, which is not a common default configuration in Red Hat environments. The vulnerability primarily affects applications utilizing the `PasskeyEncipherImage` function, potentially through bindings like Magick.NET.", "threat_severity": "Low"}

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