VulnerabilityAnalyzed
CVE-2026-43896
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.
MEDIUM 5.5EPSS 0.15%
Does this matter?
Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.15% probability · 5th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- jqlang/jq
- Source
- security-advisories@github.com
References
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846Exploit, Vendor Advisory
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.