CVE-2023-49355: High severity jqlang vulnerability

Published Dec 11, 2023

Updated

decToString in decNumber/decNumber.c in jq 88f01a7 has a one-byte out-of-bounds write via the " []-1.2e-1111111111" input. NOTE: this is not the same as CVE-2023-50246. The CVE-2023-50246 71c2ab5 reference mentions -10E-1000010001, which is not in normalized scientific notation.

Affected Software

1 affected component

jqlang jq=1.7-37-g88f01a7

Remediation

Patch Available

https://github.com/jqlang/jq/tree/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa

Event History

Dec 11, 2023

CVE Published

12:00 AM

Data Sourced

12:00 AM

Description

Frequently Asked Questions

What is the severity of CVE-2023-49355?

The severity of CVE-2023-49355 is classified as high due to the potential for arbitrary code execution or memory corruption.

How do I fix CVE-2023-49355?

To fix CVE-2023-49355, update jq to a version that addresses this vulnerability, specifically beyond 1.7-37-g88f01a7.

What software is affected by CVE-2023-49355?

CVE-2023-49355 affects jq version 1.7-37-g88f01a7.

What type of vulnerability is CVE-2023-49355?

CVE-2023-49355 is a memory corruption vulnerability that occurs due to a one-byte out-of-bounds write.

Can CVE-2023-49355 lead to data loss?

Yes, CVE-2023-49355 can result in potential data loss as it may allow execution of arbitrary code.