Vulnerability DatabaseCVE-2021-28875
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CVE-2021-28875
Published:April 11, 2021
Updated:July 21, 2026
In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow.
Related Resources (6)
https://security-tracker.debian.org/tracker/CVE-2021-28875
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-28875
https://github.com/rust-lang/rust/pull/80895
https://github.com/rust-lang/rust/issues/80894
https://access.redhat.com/security/cve/CVE-2021-28875
https://security.gentoo.org/glsa/202210-09
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Unchecked Return Value
CWE-252
EPSS
Base Score:
2.12