CVE-2021-28875
CVSS v3
7.5
HIGH
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-04-11
Frequently asked questions
What is CVE-2021-28875?
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.
Is CVE-2021-28875 actively exploited?
Active exploitation of CVE-2021-28875 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-28875?
CVE-2021-28875 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-28875 affecting your environment?
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