An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade qpdf | Jul 30, 2024 | Feb 13, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 13, 2018 |
| Ubuntu | — | Upgrade libqpdf21Upgrade qpdf | May 15, 2018 | Feb 13, 2018 |
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