CVE-2020-36318
CVSS v3
9.8
CRITICAL
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-04-11
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.
Is CVE-2020-36318 actively exploited?
Active exploitation of CVE-2020-36318 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-36318?
CVE-2020-36318 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-36318 affecting your environment?
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