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CVE-2019-25009 — Double free in http — CVE Details

CRITICAL

Double free in http

Published August 25, 2021Updated September 10, 2026Source: osv

Summary

An issue was discovered in the http crate before 0.1.20 for Rust. The HeaderMap::Drain API can use a raw pointer, defeating soundness.

Advisory Timeline

  • First published August 25, 2021 (1874 days ago).
  • Last revised September 10, 2026 — 1841 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update http to 0.1.20 or later
cargo update -p http --precise 0.1.20

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
http
crates.io
All versions0.1.20

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2019-25009?
Double free in http This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2019-25009?
CVE-2019-25009 affects http. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-25009 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-6rhx-hqxm-8p36
RUSTSEC-2019-0034

Related CVEs

More crates.io advisories

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