CVE-2026-110155: google chrome Heap-based Buffer Overflow

Vulnerability summary

CVE-2026-110155 is a high (CVSS 8.8) Heap-based Buffer Overflow vulnerability in google chrome. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.

Timeline

1. 13-10-2026
   PublishedVulnerability first disclosed.
2. 15-10-2026
   Last modifiedVulnerability information updated.

Description

Buffer overflow in PDFium in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

• CWE-122Heap-based Buffer OverflowA 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().