CRITICAL · 9.8

CVE-2021-28879

In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is us...

Vulnerability Description

In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is used again.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Rust-LangRust< 1.52.0
FedoraprojectFedora32

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-28879?

CVE-2021-28879 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is us...

How severe is CVE-2021-28879?

CVE-2021-28879 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-28879?

Check the references section above for vendor advisories and patch information. Affected products include: Rust-Lang Rust, Fedoraproject Fedora.