SB2026051120 - Improper Neutralization of Null Byte or NUL Character in jq



SB2026051120 - Improper Neutralization of Null Byte or NUL Character in jq

Published: May 11, 2026

Security Bulletin ID SB2026051120
CSH Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Null Byte or NUL Character (CVE-ID: CVE-2026-43895)

CWE-ID: CWE-158 - Improper Neutralization of Null Byte or NUL Character

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper neutralization of null byte or NUL character in src/linker.c. A local user can cause the target application to load a different module or JSON data file than the one approved by the policy layer.


Remediation

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