CVE-2019-15551 : An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a

An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a double free for certain grow attempts with the current capacity.

Published 2019-08-26 15:15:12

Updated 2019-09-03 15:02:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2019-15551

Servo » Smallvec
Versions from including (>=) 0.6.5 and before (<) 0.6.10
cpe:2.3:a:servo:smallvec:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.22%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 59 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Assigned by: nvd@nist.gov (Primary)

https://github.com/servo/rust-smallvec/issues/148

use-after-free when growing to the same size · Issue #148 · servo/rust-smallvec · GitHub
Patch;Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2019-0009.html

RUSTSEC-2019-0009: smallvec: Double-free and use-after-free in SmallVec::grow() › RustSec Advisory Database
Third Party Advisory

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