Library

pdfio v1.6.5

Versionv1.6.5
Stars★ 345
Released2026-08-20

PDFio is a simple C library for reading and writing PDF files.

Release notes

PDFio 1.6.5 is a bug fix release. Changes include:

- CVE-2016-*NNNNN*: Fixed reading of invalid empty AES-encrypted strings.
- Fixed `pdfioContentTextXxx` output with Unicode characters past U+FFFF (Issue #171)
- Fixed `pdfioPageCopy` with a damaged input PDF file (Issue #174)
- Fixed error recovery when reading values (Issue #178)
- Fixed `pdfioContentTextXxx` output with invalid UTF-8.
- Fixed import of 16-bit PNG files with alpha.
- Fixed `pdfioDictSetStringf` which wasn't making a copy of the formatted string.

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Discovered 2026-08-21 Source GitHub Archive 2026-08 →