CVE-2021-36978

https://notcve.org/view.php?id=CVE-2021-36978

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails. QPDF versiones 9.x hasta 9.1.1 y versiones 10.x hasta 10.0.4, presenta un desbordamiento de búfer en la región heap de la memoria en la función Pl_ASCII85Decoder::write (llamado desde Pl_AES_PDF::flush y Pl_AES_PDF::finish) cuando comete un fallo una determinada escritura descendente • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28262 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml https://github.com/qpdf/qpdf/commit/dc92574c10f3e2516ec6445b88c5d584f40df4e5 https://github.com/qpdf/qpdf/issues/492 https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html https://security.gentoo.org/glsa/202401-20 • CWE-787: Out-of-bounds Write •