What’s Vulnerable › Vulnerabilities

CVE-2018-25023

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-27 · updated 2026-06-17
• Weakness: CWE-908

Description

An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including a reference type.

Affected products

• servo Smallvec: before 0.6.13 — fixed in 0.6.13

How to fix

Upgrade to a fixed version: servo Smallvec 0.6.13. Check the vendor advisory for mitigations.

References

• https://github.com/servo/rust-smallvec/commit/e64afc8c473d43e375ab42bd33db2d0d4ac4e41b
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/smallvec/RUSTSEC-2018-0018.md
• https://rustsec.org/advisories/RUSTSEC-2018-0018.html
• https://github.com/servo/rust-smallvec/commit/e64afc8c473d43e375ab42bd33db2d0d4ac4e41b
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/smallvec/RUSTSEC-2018-0018.md
• https://rustsec.org/advisories/RUSTSEC-2018-0018.html

Get alerted when CVE-2018-25023 or the next vulnerability affects your stack