PoDoFo is a C++17 PDF manipulation library. From 1.0.0 to before 1.0.4, a double-free vulnerability exists in computehashtosign() in src/podofo/private/OpenSSLInternalRipped.cpp. If EVPDigestFinal fails after buf has already been freed, the Error label frees buf a second time, causing heap corruption. This vulnerability is fixed in 1.0.4.

A heap-use-after free in the PdfTokenizer::ReadDictionary function of podofo v0.10.0 to v0.10.5 allows attackers to cause a Denial of Service (DoS) by supplying a crafted PDF file. NOTE: this is disputed by the Supplier because there is no available file to reproduce the issue.

A flaw has been found in PoDoFo 1.1.0-dev. This issue affects the function PdfTokenizer::DetermineDataType of the file src/podofo/main/PdfTokenizer.cpp of the component PDF Dictionary Parser. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been published and may be used. This patch is called 22d16cb142f293bf956f66a4d399cdd65576d36c. A patch should be applied to remediate this issue.

A flaw was found in PoDoFo. A stack-based buffer overflow in PdfEncryptMD5Base::ComputeOwnerKey function in PdfEncrypt.cpp is possible because of a improper check of the keyLength value.

Reference: https://sourceforge.net/p/podofo/tickets/132/

A flaw was found in PoDoFo. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.

Reference: https://sourceforge.net/p/podofo/tickets/131/

A flaw was found in PoDoFo. An uncontrolled recursive call among PdfTokenizer::ReadArray(), PdfTokenizer::GetNextVariant() and PdfTokenizer::ReadDataType() functions can lead to a stack overflow.

Reference: https://sourceforge.net/p/podofo/tickets/130/

A flaw was found in PoDoFo. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file.

Reference: https://sourceforge.net/p/podofo/tickets/129/