CVE-2018-20991

CRITICAL

Servo Smallvec < 0.6.3 - Double Free

Title source: rule

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.

Scores

CVSS v3 9.8
EPSS 0.0043
EPSS Percentile 61.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-415
Status published

Affected Products (2)

servo/smallvec < 0.6.3
crates.io/smallvec < 0.6.3crates.io

Timeline

Published Aug 26, 2019
Tracked Since Feb 18, 2026