Critical severity · published Apr 11, 2021
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
9.8
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Rust · Rust-lang
1.48.0 before 1.49.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36318
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36318
Exploit
https://github.com/rust-lang/rust/issues/79808
Patch
https://github.com/rust-lang/rust/pull/79814
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