Buffer overflow in jq - #VU111911
Published: June 25, 2025 / Updated: August 19, 2026
Vulnerability identifier: #VU111911
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the node_min_byte_len() function in /vendor/oniguruma/src/regcomp.c in the Oniguruma dependency. A remote attacker can pass a specially crafted input to the application, trigger stack overflow and perform a denial of service (DoS) attack.
Affected software
jq
Remediation
Install update from vendor's website.
jq - update to 1.8.1