CVE-2019-15551

An issue was discovered in the smallvec crate before 0.6.10 for Rust

published August 26, 2019

CVSS
—
EPSS
2%
Percentile
79.1
In the wild
Unconfirmed
What it is

⚠️ A double free issue lurks in the smallvec crate before version 0.6.10, making it a surprisingly easy target for those who know what to look for! 🚨 Think of this like a chef who accidentally sets two servings of the same dish on the table — one could end up taking a trip back to the kitchen while the other goes cold. In coding terms, this means the program might try to use memory that’s already been released, leading to unexpected behavior! If an attacker exploited this vulnerability, it could lead to unpredictable crashes or erratic behavior in applications dependent on this crate. It’s not as catastrophic as some vulnerabilities, but you could end up with some seriously broken code!

Put simply

Think of this like a chef who accidentally sets two servings of the same dish on the table — one could end up taking a trip back to the kitchen while the other goes cold. In coding terms, this means the program might try to use memory that’s already been released, leading to unexpected behavior! The double free vulnerability occurs during certain grow attempts when the current capacity is reached, allowing potential mishaps in memory management and stability of applications using the smallvec crate.

What to do

If an attacker exploited this vulnerability, it could lead to unpredictable crashes or erratic behavior in applications dependent on this crate. It’s not as catastrophic as some vulnerabilities, but you could end up with some seriously broken code! Developers should upgrade to smallvec version 0.6.10 or later to mitigate this issue. It’s also wise to review your code for proper memory management practices to avoid any potential mishaps in the future. You've got this! Stay proactive, patch up, and keep your Rust applications running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01862 · 79.1th percentile
Published
2019-08-26T14:39Z
EPSS history
Timeline
  • 26 AUG 14:39Z
    An issue was discovered in the smallvec crate before 0.6.10 for Rust
    cvelistv5