CVE-2024-22051CWE-190

CommonMarker Integer Overflow Vulnerability

Critical Β· published January 4, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
73.2
In the wild
Unconfirmed
What it is

🚨 An integer overflow in CommonMarker could turn a simple table into a hacker's playground! πŸ”₯ Think of it like overstuffing a suitcase – if you cram in too many clothes, it bursts open, spilling everything out. In this case, too many marker rows can cause the memory to overflow, leading to chaos! An attacker could exploit this by sending crafted tables, opening the door to heap memory corruption. This could result in an information leak or even allow them to run their own code on your system β€” a full-blown security breach just waiting to happen!

Put simply

Think of it like overstuffing a suitcase – if you cram in too many clothes, it bursts open, spilling everything out. In this case, too many marker rows can cause the memory to overflow, leading to chaos! The vulnerability arises from the way CommonMarker handles tables with excessive columns, exceeding UINT16_MAX. This can lead to heap memory corruption, making the system vulnerable to various attacks, including remote code execution.

What to do

An attacker could exploit this by sending crafted tables, opening the door to heap memory corruption. This could result in an information leak or even allow them to run their own code on your system β€” a full-blown security breach just waiting to happen! To secure your system, update CommonMarker to version 0.23.4 or later immediately. Regularly audit your dependencies to ensure that you’re not running outdated versions that could expose you to vulnerabilities like this one. πŸ›‘οΈ You've got this! By following these steps, you can lock down your system and keep the baddies at bay! πŸ’ͺ🌟

The record
Technical detail
CVSS v3.1
9.8 Β· CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01450 Β· 73.2th percentile
Weakness
CWE-190 Β· Integer Overflow or Wraparound
Published
2024-01-04T20:27Z
EPSS history
Timeline
  • 04 JAN 20:27Z
    CommonMarker Integer Overflow Vulnerability
    cvelistv5