Upstream information

CVE-2026-39979 at MITRE

Description

jq is a command-line JSON processor. In commits before 2f09060afab23fe9390cce7cb860b10416e1bf5f, the jv_parse_sized() API in libjq accepts a counted buffer with an explicit length parameter, but its error-handling path formats the input buffer using %s in jv_string_fmt(), which reads until a NUL terminator is found rather than respecting the caller-supplied length. This means that when malformed JSON is passed in a non-NUL-terminated buffer, the error construction logic performs an out-of-bounds read past the end of the buffer. The vulnerability is reachable by any libjq consumer calling jv_parse_sized() with untrusted input, and depending on memory layout, can result in memory disclosure or process termination. The issue has been patched in commit 2f09060afab23fe9390cce7cb860b10416e1bf5f.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail SUSE
Base Score 6.1
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
CVSS v4 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 6.9 6.9
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Attack Vector Network Local
Attack Complexity Low Low
Attack Requirements None None
Privileges Required None None
User Interaction None Passive
Vulnerable System Confidentiality Impact Low Low
Vulnerable System Integrity Impact None None
Vulnerable System Availability Impact Low High
Subsequent System Confidentiality Impact None None
Subsequent System Integrity Impact None None
Subsequent System Availability Impact None None
CVSSv4 Version 4.0 4.0
SUSE Bugzilla entry: 1262071 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SLES15-SP5-CHOST-BYOS-SAP-CCloud jq Affected
SLES15-SP6-CHOST-BYOS jq Affected
SLES15-SP6-CHOST-BYOS-Aliyun jq Affected
SLES15-SP6-CHOST-BYOS-Azure jq Affected
SLES15-SP6-CHOST-BYOS-EC2 jq Affected
SLES15-SP6-CHOST-BYOS-GCE jq Affected
SLES15-SP6-CHOST-BYOS-GDC jq Affected
SLES15-SP6-CHOST-BYOS-SAP-CCloud jq Affected
SLES15-SP7-CHOST-BYOS-Aliyun jq Affected
SLES15-SP7-CHOST-BYOS-Azure jq Affected
SLES15-SP7-CHOST-BYOS-EC2 jq Affected
SLES15-SP7-CHOST-BYOS-GCE jq Affected
SLES15-SP7-CHOST-BYOS-GDC jq Affected
SLES15-SP7-CHOST-BYOS-SAP-CCloud jq Affected
SUSE Linux Enterprise Desktop 15 SP7 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 jq Affected
SUSE Linux Enterprise Micro 5.2 jq Affected
SUSE Linux Enterprise Micro 5.3 jq Affected
SUSE Linux Enterprise Micro 5.4 jq Affected
SUSE Linux Enterprise Micro 5.5 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 jq Affected
SUSE Linux Enterprise Server 15 SP7 jq Affected
SUSE Linux Enterprise Server 16.0 jq Affected
SUSE Linux Enterprise Server 16.1 jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 jq Affected
SUSE Linux Enterprise Server for SAP applications 16.0 jq Affected
SUSE Linux Enterprise Server for SAP applications 16.1 jq Affected
SUSE Linux Micro 6.0 jq Affected
SUSE Linux Micro 6.1 jq Affected
SUSE Linux Micro 6.2 jq Affected
openSUSE Leap 15.6 jq Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SLES15-SP3-CHOST-BYOS-Aliyun jq Affected
SLES15-SP3-CHOST-BYOS-Azure jq Affected
SLES15-SP3-CHOST-BYOS-EC2 jq Affected
SLES15-SP3-CHOST-BYOS-GCE jq Affected
SLES15-SP3-CHOST-BYOS-SAP-CCloud jq Affected
SLES15-SP4-CHOST-BYOS jq Affected
SLES15-SP4-CHOST-BYOS-Aliyun jq Affected
SLES15-SP4-CHOST-BYOS-Azure jq Affected
SLES15-SP4-CHOST-BYOS-EC2 jq Affected
SLES15-SP4-CHOST-BYOS-GCE jq Affected
SLES15-SP4-CHOST-BYOS-SAP-CCloud jq Affected
SLES15-SP5-CHOST-BYOS-Aliyun jq Affected
SLES15-SP5-CHOST-BYOS-Azure jq Affected
SLES15-SP5-CHOST-BYOS-EC2 jq Affected
SLES15-SP5-CHOST-BYOS-GCE jq Affected
SLES15-SP5-CHOST-BYOS-GDC jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 jq Affected
SUSE Linux Enterprise Server 15 SP4 jq Affected
SUSE Linux Enterprise Server 15 SP4-LTSS jq Affected
SUSE Linux Enterprise Server 15 SP5 jq Affected
SUSE Linux Enterprise Server 15 SP5-LTSS jq Affected
SUSE Linux Enterprise Server 15 SP6 jq Affected
SUSE Linux Enterprise Server 15 SP6-LTSS jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 jq Affected
SUSE Manager Proxy 4.3 jq Affected
SUSE Manager Proxy LTS 4.3 jq Affected
SUSE Manager Retail Branch Server 4.3 jq Affected
SUSE Manager Retail Branch Server LTS 4.3 jq Affected
SUSE Manager Server 4.3 jq Affected
SUSE Manager Server LTS 4.3 jq Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 jq Affected
SUSE Enterprise Storage 6 jq Affected
SUSE Enterprise Storage 7 jq Affected
SUSE Enterprise Storage 7.1 jq Affected
SUSE Linux Enterprise Desktop 15 SP1 jq Affected
SUSE Linux Enterprise Desktop 15 SP2 jq Affected
SUSE Linux Enterprise Desktop 15 SP3 jq Affected
SUSE Linux Enterprise Desktop 15 SP4 jq Affected
SUSE Linux Enterprise Desktop 15 SP5 jq Affected
SUSE Linux Enterprise Desktop 15 SP6 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS jq Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 jq Affected
SUSE Linux Enterprise Micro 5.1 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 jq Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 jq Affected
SUSE Linux Enterprise Real Time 15 SP2 jq Affected
SUSE Linux Enterprise Real Time 15 SP3 jq Affected
SUSE Linux Enterprise Real Time 15 SP4 jq Affected
SUSE Linux Enterprise Server 15 SP1 jq Affected
SUSE Linux Enterprise Server 15 SP1-BCL jq Affected
SUSE Linux Enterprise Server 15 SP1-LTSS jq Affected
SUSE Linux Enterprise Server 15 SP2 jq Affected
SUSE Linux Enterprise Server 15 SP2-BCL jq Affected
SUSE Linux Enterprise Server 15 SP2-LTSS jq Affected
SUSE Linux Enterprise Server 15 SP3 jq Affected
SUSE Linux Enterprise Server 15 SP3-BCL jq Affected
SUSE Linux Enterprise Server 15 SP3-LTSS jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 jq Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 jq Affected
SUSE Manager Proxy 4.0 jq Affected
SUSE Manager Proxy 4.1 jq Affected
SUSE Manager Proxy 4.2 jq Affected
SUSE Manager Retail Branch Server 4.0 jq Affected
SUSE Manager Retail Branch Server 4.1 jq Affected
SUSE Manager Retail Branch Server 4.2 jq Affected
SUSE Manager Server 4.0 jq Affected
SUSE Manager Server 4.1 jq Affected
SUSE Manager Server 4.2 jq Affected
openSUSE Leap 15.3 jq Affected
openSUSE Leap 15.4 jq Affected
openSUSE Leap 15.5 jq Affected
openSUSE Leap Micro 5.2 jq Affected
openSUSE Leap Micro 5.3 jq Affected
openSUSE Leap Micro 5.4 jq Affected
openSUSE Leap Micro 5.5 jq Affected
Products at an unknown state of their lifecycle.
SLES-CHOST-BYOS-Aliyun jq Affected
SLES-CHOST-BYOS-Azure jq Affected
SLES-CHOST-BYOS-EC2 jq Affected
SLES-CHOST-BYOS-GCE jq Affected
SLES-CHOST-BYOS-GDC jq Affected
SLES-CHOST-BYOS-SAP-CCloud jq Affected
Container Status
containers/suse-ai-observability-extension-setup:1
rancher/elemental-channel
rancher/elemental-rt-channel
suse/hpc/warewulf4-x86_64/sle-hpc-node
suse/sle-micro-rancher/5.2
suse/sle-micro-rancher/5.3
suse/sle-micro-rancher/5.4
suse/sle-micro/5.5
suse/sles/15.3/virt-launcher:0.45.0
jqAffected


SUSE Timeline for this CVE

CVE page created: Tue Apr 14 03:06:25 2026
CVE page last modified: Tue Apr 14 15:49:39 2026