CVE-2018-19873

An issue was discovered in Qt before 5.11.3

published December 26, 2018

CVSS
—
EPSS
3%
Percentile
88.7
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow lurks in Qt's QBmpHandler, ready to cause mischief with BMP data! Think of it like a tightly packed suitcase that bursts open at the airport when someone shoves in one too many items — without proper checks, chaos ensues! This vulnerability has the potential to crash applications or, in the worst-case scenario, allow an attacker to execute malicious code. While it's not actively exploited, the risk of a runaway buffer overflow could disrupt your software's stability and security.

Put simply

Think of it like a tightly packed suitcase that bursts open at the airport when someone shoves in one too many items — without proper checks, chaos ensues! In Qt versions prior to 5.11.3, QBmpHandler is susceptible to a buffer overflow due to improper handling of BMP data, which means it can overflow the allocated memory buffer.

What to do

This vulnerability has the potential to crash applications or, in the worst-case scenario, allow an attacker to execute malicious code. While it's not actively exploited, the risk of a runaway buffer overflow could disrupt your software's stability and security. To protect your applications, upgrade Qt to version 5.11.3 or later. Review your BMP processing logic to ensure that adequate bounds checking is implemented. Regularly audit your dependencies to identify and remediate similar vulnerabilities. You've got this! With the right updates, your software can stay secure and resilient. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03382 · 88.7th percentile
Published
2018-12-26T20:00Z
EPSS history
Timeline
  • 26 DEC 20:00Z
    An issue was discovered in Qt before 5.11.3
    cvelistv5