CVE-2018-20991

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CVSS 3.0

9.8 critical

EPSS

2%p77

Published

Aug 26, 2019 (Aug 26, 2019)

Modified

Jun 17, 2026

Description

An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.

Vendors: servo
Products: smallvec
Weakness: CWE-415
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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