What’s Vulnerable › Vulnerabilities

CVE-2021-27377

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-18 · updated 2026-06-17
• Weakness: CWE-416

Description

An issue was discovered in the yottadb crate before 1.2.0 for Rust. For some memory-allocation patterns, ydb_subscript_next_st and ydb_subscript_prev_st have a use-after-free.

Affected products

• Yottadb: before 1.2.0 — fixed in 1.2.0

How to fix

Upgrade to a fixed version: Yottadb 1.2.0. Check the vendor advisory for mitigations.

References

• https://rustsec.org/advisories/RUSTSEC-2021-0022.html
• https://rustsec.org/advisories/RUSTSEC-2021-0022.html

Get alerted when CVE-2021-27377 or the next vulnerability affects your stack