CVE-2021-27377 — CRITICAL (9.8)

Q: What is CVE-2021-27377?

CVE-2021-27377 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

Q: How severe is CVE-2021-27377?

CVE-2021-27377 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-27377?

Check the references section above for vendor advisories and patch information. Affected products include: Yottadb Yottadb.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yottadb	Yottadb	< 1.2.0

Related Weaknesses (CWE)

CWE-416

References

https://rustsec.org/advisories/RUSTSEC-2021-0022.htmlExploitThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0022.htmlExploitThird Party Advisory

FAQ

What is CVE-2021-27377?

CVE-2021-27377 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-27377?

CVE-2021-27377 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27377?

Check the references section above for vendor advisories and patch information. Affected products include: Yottadb Yottadb.