Vulnerability-Lookup

OPENSUSE-SU-2026:22040-1

Vulnerability from csaf_opensuse - Published: 2026-10-06 16:10 - Updated: 2026-10-08 18:03

Summary

Security update for busybox

Severity

Moderate

Notes

Title of the patch: Security update for busybox

Description of the patch: This update for busybox fixes the following issues: - CVE-2023-42366: heap-buffer-overflow in the next_token function (bsc#1217586). - CVE-2026-38752: Denial of Service via crafted AWK script (bsc#1271544). - CVE-2026-38753: use-after-free in awk_sub() (bsc#1271545). - CVE-2026-38754: heap overflow in ifsbreakup() (bsc#1271547). - CVE-2026-38755: heap overflow in evalcommand() (bsc#1271548).

Patchnames: openSUSE-Leap-16.0-1856

CVE-2023-42366

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 10 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:busybox-0:1.37.0-160000.7.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-0:1.37.0-160000.7.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-0:1.37.0-160000.7.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-0:1.37.0-160000.7.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-static-0:1.37.0-160000.7.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-static-0:1.37.0-160000.7.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-static-0:1.37.0-160000.7.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-static-0:1.37.0-160000.7.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-warewulf3-0:1.37.0-160000.7.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:busybox-warewulf3-0:1.37.0-160000.7.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-38752

3.3 (Low)


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

Affected products

Recommended 10 products, the same list as for CVE-2023-42366

Threats

Impact low

CVE-2026-38753

5.3 (Medium)


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

Affected products

Recommended 10 products, the same list as for CVE-2023-42366

Threats

Impact moderate

CVE-2026-38754

5.1 (Medium)


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

Affected products

Recommended 10 products, the same list as for CVE-2023-42366

Threats

Impact moderate

CVE-2026-38755

3.3 (Low)


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

Affected products

Recommended 10 products, the same list as for CVE-2023-42366

Threats

Impact low

References

22 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/1217586	self
https://bugzilla.suse.com/1271544	self
https://bugzilla.suse.com/1271545	self
https://bugzilla.suse.com/1271547	self
https://bugzilla.suse.com/1271548	self
https://www.suse.com/security/cve/CVE-2023-42366/	self
https://www.suse.com/security/cve/CVE-2026-38752/	self
https://www.suse.com/security/cve/CVE-2026-38753/	self
https://www.suse.com/security/cve/CVE-2026-38754/	self
https://www.suse.com/security/cve/CVE-2026-38755/	self
https://www.suse.com/security/cve/CVE-2023-42366	external
https://bugzilla.suse.com/1217586	external
https://www.suse.com/security/cve/CVE-2026-38752	external
https://bugzilla.suse.com/1271544	external
https://www.suse.com/security/cve/CVE-2026-38753	external
https://bugzilla.suse.com/1271545	external
https://www.suse.com/security/cve/CVE-2026-38754	external
https://bugzilla.suse.com/1271547	external
https://www.suse.com/security/cve/CVE-2026-38755	external
https://bugzilla.suse.com/1271548	external

JSON

To clipboard

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  "vulnerabilities": [
    {
      "cve": "CVE-2023-42366",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-42366"
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      "notes": [
        {
          "category": "general",
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CVE-2023-42366 (GCVE-0-2023-42366)

Vulnerability from cvelistv5 – Published: 2023-11-27 00:00 – Updated: 2026-10-08 21:13

Summary

A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-08 21:05 UTC

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

2 references

URL	Tags
https://bugs.busybox.net/show_bug.cgi?id=15874
https://security.netapp.com/advisory/ntap-2024120…

Show details on NVD website

JSON

To clipboard

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CVE-2026-38752 (GCVE-0-2026-38752)

Vulnerability from cvelistv5 – Published: 2026-07-15 00:00 – Updated: 2026-07-20 15:12

Summary

A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.

Severity

2.9 (Low)


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

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-16 15:21 UTC

CWE

CWE-674 - Uncontrolled Recursion
CWE-121 - Stack-based Buffer Overflow

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

2 references

URL	Tags
https://busybox.net/
https://lists.busybox.net/pipermail/busybox/2026-…

Impacted products

1 product

Vendor	Product	Version
BusyBox	BusyBox	Affected: 1.00 , ≤ 1.38.0 (custom) cpe:2.3:a:busybox:busybox::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2026-38753 (GCVE-0-2026-38753)

Vulnerability from cvelistv5 – Published: 2026-07-15 00:00 – Updated: 2026-07-20 15:33

Summary

A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.

Severity

4.9 (Medium)


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

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-16 15:22 UTC

CWE

CWE-416 - Use After Free

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

2 references

URL	Tags
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-…

Impacted products

1 product

Vendor	Product	Version
BusyBox	BusyBox	Affected: 1.00 , ≤ 1.38.0 (custom) cpe:2.3:a:busybox:busybox::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2026-38754 (GCVE-0-2026-38754)

Vulnerability from cvelistv5 – Published: 2026-07-15 00:00 – Updated: 2026-07-22 14:42

Summary

A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

Severity

5.1 (Medium)


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

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-16 15:20 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-122 - Heap-based Buffer Overflow

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

3 references

URL	Tags
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-…
https://lists.busybox.net/pipermail/busybox/2026-…

Impacted products

1 product

Vendor	Product	Version
BusyBox	BusyBox	Affected: 1.00 , ≤ 1.38.0 (custom) cpe:2.3:a:busybox:busybox::::::::

Show details on NVD website

JSON

To clipboard

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          "url": "https://lists.busybox.net/pipermail/busybox/2026-June/092353.html"
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CVE-2026-38755 (GCVE-0-2026-38755)

Vulnerability from cvelistv5 – Published: 2026-07-15 00:00 – Updated: 2026-07-20 15:30

Summary

A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.

Severity

2.9 (Low)


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

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-16 15:19 UTC

CWE

CWE-674 - Uncontrolled Recursion
CWE-122 - Heap-based Buffer Overflow

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

2 references

URL	Tags
https://busybox.net
https://lists.busybox.net/pipermail/busybox/2026-…

Impacted products

1 product

Vendor	Product	Version
BusyBox	BusyBox	Affected: 0.52 , ≤ 1.38.0 (custom) cpe:2.3:a:busybox:busybox::::::::

Show details on NVD website

JSON

To clipboard

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              "confidentialityImpact": "NONE",
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              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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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.

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-2026:22040-1

CVE-2023-42366 (GCVE-0-2023-42366)

CVE-2026-38752 (GCVE-0-2026-38752)

CVE-2026-38753 (GCVE-0-2026-38753)

CVE-2026-38754 (GCVE-0-2026-38754)

CVE-2026-38755 (GCVE-0-2026-38755)

Tags

Sightings

Nomenclature

Related by attack behaviour