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CRITICAL · 9.8

CVE-2021-26305

An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violat...

Vulnerability Description

An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violating soundness.

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

VendorProductVersions
Cdr ProjectCdr< 0.2.4

Related Weaknesses (CWE)

CWE-908

References

FAQ

What is CVE-2021-26305?

CVE-2021-26305 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violat...

How severe is CVE-2021-26305?

CVE-2021-26305 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-2021-26305?

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