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{"acknowledgement": "Red Hat would like to thank Szu-Wei Tseng and Yi-Chun Chang for reporting this issue.", "bugzilla": {"description": "libjpeg-turbo: heap-buffer-overflow in h2v2_merged_upsample_internal() at /libjpeg-turbo/jdmrgext.c", "id": "2208447", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2208447"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A heap-based buffer overflow issue was discovered in libjpeg-turbo in h2v2_merged_upsample_internal() function of jdmrgext.c file. The vulnerability can only be exploited with 12-bit data precision for which the range of the sample data type exceeds the valid sample range, hence, an attacker could craft a 12-bit lossless JPEG image that contains out-of-range 12-bit samples. An application attempting to decompress such image using merged upsampling would lead to segmentation fault or buffer overflows, causing an application to crash.", "A heap-based buffer overflow issue was found in libjpeg-turbo in the h2v2_merged_upsample_internal() function in the jdmrgext.c file. This issue can only be used with 12-bit data precision for which the range of the sample data type exceeds the valid sample range. This could allow an attacker to craft a 12-bit lossless JPEG image that contains out-of-range 12-bit samples. An application attempting to decompress such an image using merged upsampling would lead to segmentation fault or buffer overflows, causing an application to crash."], "name": "CVE-2023-2804", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libjpeg-turbo", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libjpeg-turbo", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libjpeg-turbo", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libjpeg-turbo", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-03-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-2804\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-2804"], "statement": "This CVE does not affect libjpeg-turbo v2.1.x and prior. Red Hat Enterprise Linux ships libjpeg-turbo v2.0.90 and prior. Vulnerable code is not present in our code-base. Hence, it's not affected.", "threat_severity": "Moderate", "upstream_fix": "libjpeg-turbo 3.0-beta2"}