CVE-2021-39539

CVE-2021-39539 affects pdftools; a NULL pointer dereference in node::BDCNode::~BDCNode() (bdcnode.cpp) is present in PDFTools 20200714 and earlier. This vulnerability can cause a Denial of Service. Connected sources confirm the issue location and the vulnerable construct, but do not provide explo...

CVE-2021-39540

pdftools prior to 20200714 contains a stack-buffer-overflow in Analyze::AnalyzePages() (analyze.cpp), allowing an attacker to cause code execution. Affected: pdftools up to 20200714. Root cause: stack-buffer-overflow in the page analysis function. Impact: remote code execution potential; no remed...

CVE-2021-39542

CVE-2021-39542 affects the PDFTools project. Multiple connected records confirm a NULL pointer dereference in Font::Size() implemented in font.cpp, present in PDFTools 20200714 and earlier. The vulnerability allows a Denial of Service, with the NVD entry indicating availability impact and a local...

CVE-2021-39538

The CVE-2021-39538 issue affects pdftools and is caused by a NULL pointer dereference in node::ObjNode::Value() within objnode.cpp, exposing a Denial of Service condition. Affected versions include PDFTools up to 20200714 and earlier. Connected sources confirm the vulnerability details but do not...

CVE-2021-39541

pdftools prior to/including 20200714 contains a NULL pointer dereference in Analyze::AnalyzeXref() (analyze.cpp), which can cause a Denial of Service. This CVE-2021-39541 entry applies to that component/version; no patch/fix details are provided in the supplied documents. Exploitation specifics a...

CVE-2021-39543

CVE-2021-39543 describes a null pointer dereference in the PDfTools project (Analyze::AnalyzeRoot() in analyze.cpp) that can cause a Denial of Service. Affected version set includes 20200714 and earlier. Multiple sources (NVD entry, CNVD/CNNVD records, Red Hat page) corroborate the same root caus...