Out-of-bounds Write
CVE-2023-4863
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.
Advisory Timeline
- Published