CVE-2026-25920 SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, a heap out-of-bounds read vulnerability exists in SumatraPDF's MOBI HuffDic decompressor. The bounds check in AddCdicData only validates half the range that DecodeOne actually accesses. Opening a crafted .mobi file can read...

UBUNTU-CVE-2025-55780

A null pointer dereference occurs in the function breakwordforoverflowwrap in MuPDF 1.26.4 when rendering a malformed EPUB document. Specifically, the function calls fzhtmlsplitflow to split a FLOWWORD node, but does not check if node-next is valid before accessing node-next-overflowwrap, resulti...

CVE-2025-55780

A null pointer dereference occurs in the function breakwordforoverflowwrap in MuPDF 1.26.4 when rendering a malformed EPUB document. Specifically, the function calls fzhtmlsplitflow to split a FLOWWORD node, but does not check if node-next is valid before accessing node-next-overflowwrap, resulti...

Libmobi 代码问题漏洞

Libmobi is a C library . It is used to process documents in the Mobipocket/Kindle MOBI e-book format. A code issue vulnerability exists in Libmobi versions prior to 0.11, which stems from NULL pointer dereferencing...

February 25, 2020—KB4537816 (OS Build 16299.1717)

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liblnk heap buffer reread vulnerability (CNVD-2018-11567)

Libmobi is a C-based language for processing Kindle MOBI format e-book document library . A heap buffer reread vulnerability in the liblnk liblnklocationinformationreaddata function in liblnk liblnklocationinformation.c allows remote attackers to cause an information disclosure via a specially...

[SECURITY] Fedora 28 Update: calibre-3.19.0-1.fc28

Calibre is meant to be a complete e-library solution. It includes library management, format conversion, news feeds to ebook conversion as well as e-book reader sync features. Calibre is primarily a ebook cataloging program. It manages your ebook collection for you. It is designed around the...