CVE-2019-15554

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

published August 26, 2019

CVSS
—
EPSS
2%
Percentile
81.9
In the wild
Unconfirmed
What it is

⚠️ A small but mighty memory hiccup exists in the smallvec crate before version 0.6.10 — think of it as a grow spurt gone wrong! Imagine trying to squeeze more clothes into an already stuffed suitcase — sometimes, things get crammed in awkwardly, causing the zipper to burst. This vulnerability can lead to memory corruption during certain resize attempts, just like that suitcase disaster. An attacker might not be able to directly exploit this, but memory corruption can lead to unpredictable behavior in your application — think crashing or leaking sensitive data. This can result in a frustrating experience for your users or even expose them to unintended vulnerabilities.

Put simply

Imagine trying to squeeze more clothes into an already stuffed suitcase — sometimes, things get crammed in awkwardly, causing the zipper to burst. This vulnerability can lead to memory corruption during certain resize attempts, just like that suitcase disaster. This vulnerability in the smallvec crate arises during grow attempts that exceed the current capacity, resulting in potential memory corruption if handled improperly. The inconsistencies in memory management can lead to erratic performance or crashes in Rust applications using versions before 0.6.10.

What to do

An attacker might not be able to directly exploit this, but memory corruption can lead to unpredictable behavior in your application — think crashing or leaking sensitive data. This can result in a frustrating experience for your users or even expose them to unintended vulnerabilities. Update the smallvec crate to version 0.6.10 or higher to ensure you’re protected against this issue. It's a good idea to review your memory management practices in Rust to mitigate any potential risks related to memory corruption. You've got this! By taking these steps, you'll keep your application safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02144 · 81.9th percentile
Published
2019-08-26T14:35Z
EPSS history
Timeline
  • 26 AUG 14:35Z
    An issue was discovered in the smallvec crate before 0.6.10 for Rust
    cvelistv5