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CVE-2021-28875

Published: 11 April 2021

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
rustc
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
jammy Not vulnerable
(1.51.0+dfsg1+llvm-1~exp3ubuntu1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
bionic Not vulnerable
(1.51.0+dfsg1+llvm-1~exp3ubuntu1~18.04.1)
focal
Released (1.51.0+dfsg1+llvm-1~exp3ubuntu1~20.04.2)
trusty Needed

upstream
Released (1.50.0)
xenial Needed

impish Ignored
(end of life)
lunar Not vulnerable
(1.61.0+dfsg1-1~exp1ubuntu1)
mantic Not vulnerable
(1.67.1+dfsg0ubuntu1-0ubuntu2)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H