SB2026051279 - Red Hat Enterprise Linux 8 update for jq



SB2026051279 - Red Hat Enterprise Linux 8 update for jq

Published: May 12, 2026

Security Bulletin ID SB2026051279
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2026-39979)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a boundary condition in the "jv_parse_sized()" function. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.


2) Inefficient Algorithmic Complexity (CVE-ID: CVE-2026-40164)

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

The vulnerability exists due to inefficient algorithmic complexity within hardcoded MurmurHash3 seed. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.