Home/CVE/In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the ele
CVE

CVE-2021-31162

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the ele

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

CRITICAL · CVSS 9.8 EPSS 0.00737
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
▤

Affected Products & Versions

2
rust-lang rust>= 1.48.0 and < 1.52.0
fedoraproject fedoraall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · 83618github.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Apr 2021 · 07:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
msrcCVE-2021-31162
rhsaRHSA-2021:3042Moderate
rhsaRHSA-2021:3063Moderate
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/rust-lang/rust/pull/83629PatchThird Party Advisory
https://github.com/rust-lang/rust/pull/84603PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/
https://security.gentoo.org/glsa/202210-09Third Party Advisory
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