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

published November 16, 2005

CVSS
—
EPSS
2%
Percentile
82.1
In the wild
Unconfirmed
What it is

⚠️ A buffering overflow bug in CHM Lib could leave your application vulnerable! It’s like a mischievous gremlin sneaking too much food into your pantry, potentially overwhelming the shelves. 😱 Think of this buffer overflow as a poorly designed buffet table: if you pile too much food beyond the limits of the table, it can collapse and chaos ensues! In the same way, the LZX decompression mishap allows the possibility of unexpected behavior or crashes. While the exact consequences of this vulnerability remain unknown, a buffer overflow can lead to anything from crashes to arbitrary code execution. That means an attacker could potentially exploit this to take control or disrupt the application, leaving users at risk.

Put simply

Think of this buffer overflow as a poorly designed buffet table: if you pile too much food beyond the limits of the table, it can collapse and chaos ensues! In the same way, the LZX decompression mishap allows the possibility of unexpected behavior or crashes. The vulnerability originates in the LZX decompression process of CHM Lib, version 0.35. It occurs when the buffer for decompression is not properly managed, allowing an overflow that can compromise application stability.

What to do

While the exact consequences of this vulnerability remain unknown, a buffer overflow can lead to anything from crashes to arbitrary code execution. That means an attacker could potentially exploit this to take control or disrupt the application, leaving users at risk. To mitigate this risk, ensure you are using an updated version of CHM Lib if available. As of now, there are no reports of active exploits, but maintaining updated libraries is always a good practice! You've got this! Stay vigilant, keep your software updated, and your applications will stay secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02163 · 82.1th percentile
Published
2005-11-16T07:37Z
EPSS history
Timeline
  • 16 NOV 07:37Z
    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
    cvelistv5