CVE-2020-36318
CVE-2020-36318 is a critical-severity vulnerability in Rust-lang Rust with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Rust-lang Rust
- Published:
- Last modified:
Description
In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.
Frequently asked questions
- What is CVE-2020-36318?
- In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.
- How severe is CVE-2020-36318?
- CVE-2020-36318 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-36318 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-36318?
- CVE-2020-36318 affects Rust-lang Rust. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-36318?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-36318 published?
- CVE-2020-36318 was published on 2021-04-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*
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