VULNERABILITY INTELLIGENCE

CVE-2021-28877

CVSS score7.5 HIGH

EPSS probability1.39%

CISA KEVNot currently listed

Published2021-04-11

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

In the standard library in Rust before 1.51.0, the Zip implementation calls __iterator_get_unchecked() for the same index more than once when nested. This bug can lead to a memory safety violation due to an unmet safety requirement for the TrustedRandomAccess trait.

Weakness classification

nvd@nist.gov: CWE-119

Primary references

cve@mitre.org — Issue Tracking, Patch, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory