SB2026050621 - Denial of service in jq



SB2026050621 - Denial of service in jq

Published: May 6, 2026

Security Bulletin ID SB2026050621
CSH Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Uncontrolled Recursion (CVE-ID: CVE-2026-43896)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled recursion in the "jv_object_merge_recursive()" function in src/jv.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.