Vulnerability in Rust-Lang Rust
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/rust-lang/rust/issues/80894 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/rust-lang/rust/pull/80895 (Patch, Third Party Advisory)
- security.gentoo.org/glsa/202210-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28875?
- CVE-2021-28875 is a high-severity vulnerability in Rust-Lang Rust, classified under CWE-252. CVSS score: 7.5/10. Published 2021-04-11.
- How severe is CVE-2021-28875?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-28875 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.