Skip to main content

Heap-based Buffer Overflow

CVE-2024-34459

Medium
5.5/10

Summary

An issue was discovered in libxml2 prior to 2.11.8 and 2.12.x prior to 2.12.7. Formatting error messages with "xmllint --htmlout" can result in a buffer over-read in "xmlHTMLPrintFileContext" in "xmllint.c".

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • HIGH

CWE-122 - Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

Advisory Timeline

  • Published