CVE-2026-55586 SumatraPDF: Heap out-of-bounds write in vendored CHMLib LZX Huffman table construction reachable from crafted CHM files

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, a crafted CHM file can supply malformed LZX Huffman code lengths to makedecodetable in ext/CHMLib/lzx.c. In the long-code branch, the function writes new internal nodes through nextsymbol before validating that the canonical...

EUVD-2005-2660

Malware in sbrugna...

SUSE CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

Comodo AntiVirus - Heap Overflow in LZX Decompression

Comodo AntiVirus - Heap Overflow in LZX Decompression Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=737 LzxDecoder::init initializes the vector LzxDecoder-window to a fixed size of 2^method bytes, which is then used during LzxDecoder::Extract. It's possible for LZX compressed...

Comodo AntiVirus - Heap Overflow in LZX Decompression

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=737 LzxDecoder::init initializes the vector LzxDecoder-window to a fixed size of 2^method bytes, which is then used during LzxDecoder::Extract. It's possible for LZX compressed...

Comodo AntiVirus - Heap Overflow in LZX Decompression

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=737 LzxDecoder::init initializes the vector LzxDecoder-window to a fixed size of 2^method bytes, which is then used during LzxDecoder::Extract. It's possible for LZX compressed streams to exceed this size. Writes to the window buff...

CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

CVE-2005-2659

CVE-2005-2659 is a buffer overflow in the LZX decompression path of CHM Lib (chmlib) 0.35, used by KchmViewer. Root cause: overflow in LZX decompression. The impact and attack vectors are described as unknown in initial sources; later advisories (Debian DSA-886-1 and related OpenVAS entries) refe...

CVE-2005-2659

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...

CVE-2005-2659: Undefined Security Weakness

Buffer overflow in the LZX decompression in CHM Lib chmlib 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors...