{"id":"ALPINE-CVE-2023-2804","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.","modified":"2026-09-15T08:17:48.370134905Z","published":"2023-05-25T22:15:09.443Z","upstream":["CVE-2023-2804"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-2804"}],"affected":[{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}},{"package":{"name":"libjpeg-turbo","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/libjpeg-turbo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.5.1-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-2804.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}