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CVE-2026-43896

24
FAUCET Score

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.

First published: May 11, 2026Last modified: May 11, 2026

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.1CPE matchmatch criteria
cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.2MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
5.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 31st percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia msrc
Product: 21297-17084Fixed in: 1.7.1-6
microsoftpatch availablevia msrc
Product: 21415-17084Fixed in: 1.7.1-6
microsoftpatch availablevia msrc
Product: azl3 jq 1.7.1-5 on Azure Linux 3.0Fixed in: 1.7.1-6
microsoftpatch availablevia msrc
Product: azl3 jq 1.7.1-6 on Azure Linux 3.0Fixed in: 1.7.1-6
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2026-May/CVE-2026-43896Moderate

jq: Stack Overflow in Recursive Object Merge

May 12, 2026

References

github.com / jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846
ExploitVendor Advisory