An issue was discovered in QPDF before 7.0.0. There is a stack-based out-of-bounds read in the function iterate_rc4 in QPDF_encryption.cc.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
---|---|
https://usn.ubuntu.com/3638-1/ | vendor advisory |
https://github.com/qpdf/qpdf/commit/dea704f0ab7f625e1e7b3f9a1110b45b63157317 | third party advisory patch |
https://github.com/qpdf/qpdf/issues/147 | issue tracking third party advisory |