CVE-2026-43896CWE-674

jq: Stack Overflow in Recursive Object Merge

Medium · published May 11, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
3.8
In the wild
Unconfirmed
What it is

jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00150 · 3.8th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2026-05-11T17:24Z
EPSS history
Timeline
  • 11 MAY 17:24Z
    jq: Stack Overflow in Recursive Object Merge
    cvelistv5