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TI-2019-11651 Aliases CVE-2019-15551GHSA-mm7v-vpv8-xfc3

An issue was discovered in the smallvec crate before 0.6.10 for Rust.

Priority MEDIUM 46CWE-415Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-415 and the CVSS impact.

Summary

An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a double free for certain grow attempts with the current capacity.

Why it matters now

EPSS 0.01862 79th percentileScored 2026-11-07
Fix Fixed smallvec (crates.io): 0.6.10

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—smallvec (crates.io)0.6.5 to before 0.6.100.6.10Patch availableGHSA-mm7v-vpv8-xfc3
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • smallvec (crates.io) Vendor— Affected 0.6.5 to before 0.6.10 Fixed in 0.6.10 Patch available GHSA-mm7v-vpv8-xfc3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:servo:smallvec:*:*:*:*:*:*:*:*0.6.5 to before 0.6.10Vulnerableservo
  • cpe:2.3:a:servo:smallvec:*:*:*:*:*:*:*:* Versions 0.6.5 to before 0.6.10 Vulnerable ·servo

Remediation

  • Fix · GHSA-mm7v-vpv8-xfc3 smallvec (crates.io) Fixed in 0.6.10 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-15551
  2. 2026-10-03 Alias added: GHSA-mm7v-vpv8-xfc3

References

  • TI-2019-11654 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
  • TI-2018-15250 An issue was discovered in the smallvec crate before 0.6.13 for Rust. CVSS 3.1HIGH 7.5

Sources