CVE-2025-12437CWE-416

CVE-2025-12437

High · published November 11, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
14.1
In the wild
Unconfirmed
What it is

⚡ A crafty HTML page is the ticket to heap chaos! This use-after-free bug in Google Chrome prior to version 142.0.7444.59 could let attackers twist the digital knife with just a few UI tricks. 🔥 Think of it like a restaurant where the waiter forgets to clear a table after a meal. If a diner sits back down without the table being cleaned, they might encounter leftover food, leading to a messy and even dangerous situation. Similarly, this vulnerability allows leftovers in memory to cause unexpected problems. An attacker could exploit this flaw to corrupt the heap, potentially leading to arbitrary code execution. This means they could manipulate your system in frightening ways, like taking control of your session or accessing sensitive information without your knowledge. It's a situation you definitely want to avoid!

Put simply

Think of it like a restaurant where the waiter forgets to clear a table after a meal. If a diner sits back down without the table being cleaned, they might encounter leftover food, leading to a messy and even dangerous situation. Similarly, this vulnerability allows leftovers in memory to cause unexpected problems. This vulnerability occurs when Chrome’s PageInfo mishandles memory, allowing a remote attacker to exploit the system if they can convince the user to interact with the affected UI. The result is that the browser might operate on stale data, causing memory corruption.

What to do

An attacker could exploit this flaw to corrupt the heap, potentially leading to arbitrary code execution. This means they could manipulate your system in frightening ways, like taking control of your session or accessing sensitive information without your knowledge. It's a situation you definitely want to avoid! Update Google Chrome immediately to version 142.0.7444.59 or later. Regularly check for updates to ensure your browser is running the latest, most secure version. Stay vigilant and avoid clicking on suspicious links or pages until your browser is patched. 🛡️ You’ve got this! Keeping your browser updated locks down your defenses and keeps those crafty attackers at bay! 🚀

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00239 · 14.1th percentile
Weakness
CWE-416 · Use After Free
Published
2025-11-11T01:15Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 142.0.7444.59142.0.7444.59
References (2)
EPSS history
Timeline
  • 10 NOV 20:00Z
    Use after free in PageInfo in Google Chrome prior to 142.0.7444.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to…
    cvelistv5