TI-2018-15250 Aliases CVE-2018-25023 GHSA-55m5-whcv-c49c

An issue was discovered in the smallvec crate before 0.6.13 for Rust.

MEDIUM 42CWE-908Published 2021-12-26 · Updated 2024-11-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01423 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed smallvec (crates.io): 0.6.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	smallvec (crates.io)	before 0.6.13	0.6.13	Patch available	GHSA-55m5-whcv-c49c

— Vendor— Affected all versions Fixed in — No fix listed CNA
smallvec (crates.io) Vendor— Affected before 0.6.13 Fixed in 0.6.13 Patch available GHSA-55m5-whcv-c49c

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:servo:smallvec::::::rust::*	before 0.6.13	Vulnerable	servo

cpe:2.3:a:servo:smallvec:*:*:*:*:*:rust:*:* Versions before 0.6.13 Vulnerable ·servo

Remediation

Fix · GHSA-55m5-whcv-c49c smallvec (crates.io) Fixed in 0.6.13 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-25023
2026-10-03 Alias added: GHSA-55m5-whcv-c49c

References

Exploit 1

https://rustsec.org/advisories/RUSTSEC-2018-0018.html

Advisory 2

Other 4

TI-2019-11654 An issue was discovered in the smallvec crate before 0.6.10 for Rust. CVSS 3.0CRITICAL 9.8
TI-2019-11651 An issue was discovered in the smallvec crate before 0.6.10 for Rust. CVSS 3.0CRITICAL 9.8
TI-2018-14953 An issue was discovered in the smallvec crate before 0.6.3 for Rust. CVSS 3.0CRITICAL 9.8
TI-2021-07911 An issue was discovered in the smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences