{"api_version":"1","generated_at":"2026-04-23T05:07:07+00:00","cve":"CVE-2023-2804","urls":{"html":"https://cve.report/CVE-2023-2804","api":"https://cve.report/api/cve/CVE-2023-2804.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-2804","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2804"},"summary":{"title":"CVE-2023-2804","description":"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. 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