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Out-of-bounds Write

CVE-2023-4863

High
8.8/10

Summary

A Heap-Based Buffer Overflow vulnerability in "libwebp" in versions prior to 1.3.2 allows an attacker to perform an out-of-bounds memory write. The vulnerability could be exploited by a remote attacker via a crafted HTML page, potentially leading to unauthorized code execution or a denial of service condition. To exploit the vulnerability, the user must be able to manipulate the value in "color_cache_bits". This package is used by various applications that are also affected if a vulnerable version of "libwebp" is in use, including Google Chrome in versions prior to 116.0.5845.187.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • NONE
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

References

Advisory Timeline

  • Published