What’s Vulnerable › Vulnerabilities

CVE-2021-29935

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-01 · updated 2026-06-17
• Weakness: CWE-416

Description

An issue was discovered in the rocket crate before 0.4.7 for Rust. uri::Formatter can have a use-after-free if a user-provided function panics.

Affected products

• Rocket: before 0.4.7 — fixed in 0.4.7

How to fix

Upgrade to a fixed version: Rocket 0.4.7. Check the vendor advisory for mitigations.

References

• https://rustsec.org/advisories/RUSTSEC-2021-0044.html
• https://rustsec.org/advisories/RUSTSEC-2021-0044.html

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