jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.Referenceshttps://github.com/jasper-software/jasper/issues/259https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD2Y2LT4N5ZWCMKYCUIKB3XODNJLOW3J/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BZFU2F6UW4L2FJE65WJLWGUIELDWCL7/