What’s Vulnerable › Vulnerabilities

CVE-2019-15551

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-26 · updated 2026-06-17
• Weakness: CWE-415

Description

An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a double free for certain grow attempts with the current capacity.

Affected products

• servo Smallvec: from 0.6.5 before 0.6.10 — fixed in 0.6.10

How to fix

Upgrade to a fixed version: servo Smallvec 0.6.10. Check the vendor advisory for mitigations.

References

• https://github.com/servo/rust-smallvec/issues/148
• https://rustsec.org/advisories/RUSTSEC-2019-0009.html
• https://github.com/servo/rust-smallvec/issues/148
• https://rustsec.org/advisories/RUSTSEC-2019-0009.html

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