An issue was discovered in Poppler 22.08.0. There is a reachable assertion in Object.h, will lead to denial of service because PDFDoc::replacePageDict in PDFDoc.cc lacks a stream check before saving an embedded file. CREATE(Triage):(User=admin) CVE-2022-38349 (https://nvd.nist.gov/vuln/detail/CVE-2022-38349)