CVE-2021-25900

CRITICAL

smallvec 0.6.3-0.6.13 - Heap-Based Buffer Overflow in SmallVec::insert_many

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://rustsec.org/advisories/RUSTSEC-2021-0003.html

Scores

CVSS v3 9.8
EPSS 0.0167
EPSS Percentile 74.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
crates.io/smallvec 0.6.3 - 0.6.14crates.io
servo/smallvec 0.6.3 - 0.6.14
Published Jan 26, 2021
Tracked Since Feb 18, 2026