Red Hat, Inc. CVE-2023-2804: Heap Based Overflow libjpeg-turbo

A heap‑based buffer overflow exists in libjpeg‑turbo’s h2v2mergedupsampleinternal function when processing 12‑bit lossless JPEG images. An attacker could craft an image containing out‑of‑range 12‑bit samples that, when decompressed with merged upsampling enabled, may trigger a segmentation fault ...