CVE-2021-28877

Published: Apr 11, 2021Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Rust Lang: Rust

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Rust Lang Rust	Before 1.51.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (4)

https://github.com/rust-lang/rust/pull/80670

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://security.gentoo.org/glsa/202210-09

Source: cve@mitre.org

Third Party Advisory

https://github.com/rust-lang/rust/pull/80670

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://security.gentoo.org/glsa/202210-09

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.