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Security Research2023

New Vulnerability in curl and libcurl Could Lead to Heap Buffer Overflow

By Assaf Morag

Critical vulnerability discovered in curl and libcurl that could lead to heap buffer overflow, affecting millions of applications worldwide. curl is one of the most widely used command-line tools and libraries for transferring data, making this vulnerability highly significant.

The vulnerability can be exploited to cause heap buffer overflow, potentially leading to remote code execution or denial of service in affected applications.

Impact

  • Heap buffer overflow vulnerability
  • Affects numerous applications using curl/libcurl
  • Potential for remote code execution
  • Requires immediate patching