CVE Vulnerabilities

CVE-2021-46489

Use After Free

Published: Jan 27, 2022 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Jsish v3.5.0 was discovered to contain a heap-use-after-free via Jsi_DecrRefCount in src/jsiValue.c. This vulnerability can lead to a Denial of Service (DoS).

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

Name Vendor Start Version End Version
Jsish Jsish 3.5.0 (including) 3.5.0 (including)

Potential Mitigations

References