CVE-2018-20991 — CRITICAL (9.8)

Q: What is CVE-2018-20991?

CVE-2018-20991 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.

Q: How severe is CVE-2018-20991?

CVE-2018-20991 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-2018-20991?

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

Vulnerability Description

An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.

CVSS Score

9.8

CRITICAL

CVSS:3.0/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
Servo	Smallvec	>= 0.3.2, < 0.6.3

Related Weaknesses (CWE)

CWE-415

References

https://rustsec.org/advisories/RUSTSEC-2018-0003.htmlThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2018-0003.htmlThird Party Advisory

FAQ

What is CVE-2018-20991?

CVE-2018-20991 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.

How severe is CVE-2018-20991?

CVE-2018-20991 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-2018-20991?

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