CVE-2020-36318
CRITICAL
9.8
CVSS Score
Published: April 11, 2021 at 07:05 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
1 product affected across 1 vendorRust
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.48.0 ≤ v < 1.49.0
Affected range stops below 1.49.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/rust-lang/rust/issues/79808x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/rust-lang/rust/pull/79814CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-415CWE-416
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