CVE-2021-25900

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p75

Published

Jan 26, 2021 (Jan 26, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in the smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. There is a heap-based buffer overflow in SmallVec::insert_many.

Vendors: servo
Products: smallvec
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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