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)

February 25, 2020—KB4537816 OS Build 16299.1717 Reminder March 12 and April 9 were the last two Delta updates for Windows 10, version 1709. Security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change please...

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...