vuln-chm-hijack

PuTTY 漏洞 vuln-chm-hijack 通过 CHM 劫持实现潜在的恶意代码执行 关于 在 0.70 及更早版本中，当你在任何 Windows PuTTY GUI 工具中启动在线帮助时，该工具会通过在其可执行文件所在目录中查找帮助文件。 如果你从一个无关代码可以放置文件的目录中运行 PuTTY（例如，直接从浏览器的默认下载目录运行），这意味着如果有人设法将一个名为 putty.chm 的文件放入该目录（例如，诱使你点击同名的下载链接），那么 PuTTY 会认为它是真正的帮助文件，并将其提供给 htmlhelp.exe。 这是一个漏洞，因为 HTML...

CVE-2022-29072

7-Zip CVE 2022-29072 - Detección/Mitigación de Powershell La eliminación del archivo CHM problemático está comentada. Descomentarla hace que el script elimine archivos de forma forzada: ¡úsalo bajo tu propio riesgo! Si envías un PR con un nuevo hash, proporciona también el archivo para su...

CVE-2026-55586

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-2026-63469

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...

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...

CVE-2026-55586

SumatraPDF 3.6.1 and earlier (Windows) contains a heap out-of-bounds write in the vendored CHMLib LZX decompressor. A crafted CHM file can supply malformed Huffman code lengths to make_decode_table in ext/CHMLib/lzx.c. In the long-code branch, internal nodes are written via next_symbol before val...

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...

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...

CVE-2026-55586: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

PT-2026-79059

Name of the Vulnerable Software and Affected Versions SumatraPDF versions prior to 3.6.2 Description A crafted CHM file can provide malformed LZX Huffman code lengths to the make decode table function in ext/CHMLib/lzx.c. In the long-code branch, the function writes new internal nodes via next...

Unity Linux 20.1060e / 20.1070e Security Update: clamav (UTSA-2026-017366)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017366 advisory. On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in...

SUSE CVE-2026-25635

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25635

A flaw was found in Calibre's CHM reader. This path traversal vulnerability allows an attacker to write arbitrary files to locations where the user has write permissions. On Windows systems, this could lead to remote code execution by placing a malicious file in the Startup folder, which would th...

DEBIAN-CVE-2026-25635

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25635

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

UBUNTU-CVE-2026-25635

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25635 calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

EUVD-2026-5596

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25635

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25635 calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...