What is CVE-2021-26951?

CVE-2021-26951 is a critical-severity vulnerability in Calamine Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-02-09.

How severe is CVE-2021-26951?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Calamine Project

CVE-2021-26951

An issue was discovered in the calamine crate before 0.17.0 for Rust. It allows attackers to overwrite heap-memory locations because Vec::set_len is used without proper memory claiming, and this uninitialized memory is used for a user-provided Read operation, as demonstrated by Sectors::get.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Calamine_project Calamine
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26951?: CVE-2021-26951 is a critical-severity vulnerability in Calamine Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-02-09.
How severe is CVE-2021-26951?: Critical severity. CVSS v3 base score is 9.8 out of 10.