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CVE-2019-15544 — Uncontrolled memory consumption in protobuf — CVE...

HIGH

Uncontrolled memory consumption in protobuf

Published August 25, 2021Updated November 8, 2023Source: osv

Summary

Affected versions of this crate called Vec::reserve() on user-supplied input. This allows an attacker to cause an Out of Memory condition while calling the vulnerable method on untrusted data.

Advisory Timeline

  • First published August 25, 2021 (1874 days ago).
  • Last revised November 8, 2023 — 804 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update protobuf to 2.6.0 or later
cargo update -p protobuf --precise 2.6.0

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

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
protobuf
crates.io
All versions2.6.0

Vulnerability Classification

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

  • CWE-770
    Allocation of Resources Without LimitsMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

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

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2019-15544?
Uncontrolled memory consumption in protobuf This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2019-15544?
CVE-2019-15544 affects protobuf. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-15544 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-mh6h-f25p-98f8
RUSTSEC-2019-0003

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