Vulnerability-Lookup

OPENSUSE-SU-2026:21833-1

Vulnerability from csaf_opensuse - Published: 2026-09-11 15:00 - Updated: 2026-09-17 17:44

Summary

Security update for jq

Severity

Moderate

Notes

Title of the patch: Security update for jq

Description of the patch: This update for jq fixes the following issues: - CVE-2026-43895: embedded NUL bytes in import paths can lead to policy bypass and sensitive information disclosure (bsc#1265071). - CVE-2026-47770: stack overflow in deep structural equality (bsc#1269221).

Patchnames: openSUSE-Leap-16.0-1662

CVE-2026-43895

4.4 (Medium)


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

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:jq-0:1.7.1-160000.5.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:jq-0:1.7.1-160000.5.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:jq-0:1.7.1-160000.5.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:jq-0:1.7.1-160000.5.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq-devel-0:1.7.1-160000.5.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq-devel-0:1.7.1-160000.5.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq-devel-0:1.7.1-160000.5.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq-devel-0:1.7.1-160000.5.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq1-0:1.7.1-160000.5.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq1-0:1.7.1-160000.5.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq1-0:1.7.1-160000.5.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libjq1-0:1.7.1-160000.5.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-47770

5.5 (Medium)


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

Affected products

Recommended 12 products, the same list as for CVE-2026-43895

Threats

Impact moderate

References

10 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1265071	self
https://bugzilla.suse.com/1269221	self
https://www.suse.com/security/cve/CVE-2026-43895/	self
https://www.suse.com/security/cve/CVE-2026-47770/	self
https://www.suse.com/security/cve/CVE-2026-43895	external
https://bugzilla.suse.com/1265071	external
https://www.suse.com/security/cve/CVE-2026-47770	external
https://bugzilla.suse.com/1269221	external

JSON

To clipboard

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          "category": "general",
          "text": "jq is a command-line JSON processor. In 1.8.1 and earlier, jq accepts embedded NUL bytes in import paths at the jq-language level, but later resolves those paths through C string operations during module and data-file lookup. This creates a mismatch between the logical import string that policy or audit code may validate and the on-disk path that jq actually opens.",
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CVE-2026-43895 (GCVE-0-2026-43895)

Vulnerability from cvelistv5 – Published: 2026-05-11 17:24 – Updated: 2026-05-13 14:41

Title

jq: Embedded NUL in jq import paths causes local redaction-policy bypass and preserves sensitive fields in published artifacts

Summary

jq is a command-line JSON processor. In 1.8.1 and earlier, jq accepts embedded NUL bytes in import paths at the jq-language level, but later resolves those paths through C string operations during module and data-file lookup. This creates a mismatch between the logical import string that policy or audit code may validate and the on-disk path that jq actually opens.

Severity

4.4 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-13 12:49 UTC

CWE

CWE-20 - Improper Input Validation
CWE-158 - Improper Neutralization of Null Byte or NUL Character

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/jqlang/jq/security/advisories/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
jqlang	jq	Affected: <= 1.8.1

Show details on NVD website

JSON

To clipboard

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CVE-2026-47770 (GCVE-0-2026-47770)

Vulnerability from cvelistv5 – Published: 2026-06-25 17:22 – Updated: 2026-06-26 18:42

Title

jq: stack overflow in deep structural equality

Summary

jq is a command-line JSON processor. Prior to 1.8.2, comparing two sufficiently deeply nested arrays with the == operator exhausts the C stack on jq's ordinary command-line surface, resulting in denial of service via stack exhaustion (uncontrolled recursion). The crash occurs in jq's recursive structural comparison code, with the recursion repeating through jvp_array_equal() and jv_equal() in src/jv.c when comparing deeply nested arrays; a nearby sort comparator path through jv_cmp() in src/jv_aux.c overflows the stack at a larger nesting depth from the same missing recursion guard. Anyone running jq comparisons on attacker-controlled deeply nested JSON values, or embedding jq in a context where untrusted data can reach the == comparison path, is affected. This vulnerability is fixed in 1.8.2.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-26 17:50 UTC

CWE

CWE-674 - Uncontrolled Recursion

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/jqlang/jq/security/advisories/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
jqlang	jq	Affected: < 1.8.2

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2026:21833-1

CVE-2026-43895 (GCVE-0-2026-43895)

CVE-2026-47770 (GCVE-0-2026-47770)

Tags

Sightings

Nomenclature

Related by attack behaviour