An issue was discovered in the smallvec crate before 0.6.13 for Rust
Published Dec 26, 2021
7.5
HIGHCVSS 3.1
EPSS 1.38%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Dec 12, 2023 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.38% (0.01377) | 71.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.38% (0.01377) | 68.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00221) | 42.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00126) | 48.87th | v3 (v2023.03.01) |
| Mar 19, 2024 | 0.10% (0.00096) | 39.15th | v3 (v2023.03.01) |
| Dec 8, 2023 | 0.08% (0.00080) | 33.53th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.07% (0.00069) | 28.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00060) | 23.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Dec 27, 2021 | 0.62% (0.00624) | 46.16th | v1 |
References (7)
- https://github.com/advisories/GHSA-55m5-whcv-c49c Advisory
- https://github.com/servo/rust-smallvec/commit/e64afc8c473d43e375ab42bd33db2d0d4ac4e41b
- https://github.com/servo/rust-smallvec/issues/126
- https://github.com/servo/rust-smallvec/pull/162
- https://nvd.nist.gov/vuln/detail/CVE-2018-25023
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/smallvec/RUSTSEC-2018-0018.md Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2018-0018.html ExploitIssue TrackingThird Party Advisory
Change history (0)
No recorded changes yet.