SUSE-SU-2026:3900-1
Vulnerability from csaf_suse - Published: 2026-08-31 15:11 - Updated: 2026-09-17 16:44Summary
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 of `editors/awk.c` (bsc#1217586).
- CVE-2026-38752: stack buffer overflow in the `evaluate()` function of `editors/awk.c` (bsc#1271544).
- CVE-2026-38753: use-after-free in the `awk_sub()` function of `editors/awk.c` (bsc#1271545).
- CVE-2026-38754: heap buffer overflow in `ifsbreakup()` function of `shell/ash.c` (bsc#1271547).
- CVE-2026-38755: heap buffer overflow in `evalcommand()` function of `shell/ash.c` (bsc#1271548).
Patchnames: SUSE-2026-3900,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3900
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.5 (Medium)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
Affected products
Recommended
4 products, the same list as for
CVE-2023-42366
Threats
Impact
low
5.3 (Medium)
Affected products
Recommended
4 products, the same list as for
CVE-2023-42366
Threats
Impact
moderate
5.1 (Medium)
Affected products
Recommended
4 products, the same list as for
CVE-2023-42366
Threats
Impact
moderate
Affected products
Recommended
4 products, the same list as for
CVE-2023-42366
Threats
Impact
low
References
24 references
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"category": "product_name",
"name": "SUSE Linux Enterprise High Performance Computing 12 SP5",
"product": {
"name": "SUSE Linux Enterprise High Performance Computing 12 SP5",
"product_id": "SUSE Linux Enterprise High Performance Computing 12 SP5",
"product_identification_helper": {
"cpe": "cpe:/o:suse:sle-hpc:12:sp5"
}
}
}
],
"category": "product_family",
"name": "SUSE Linux Enterprise"
}
],
"category": "vendor",
"name": "SUSE"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "busybox-0:1.35.0-10.9.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
"product_id": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
},
"product_reference": "busybox-0:1.35.0-10.9.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "busybox-0:1.35.0-10.9.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
"product_id": "SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
},
"product_reference": "busybox-0:1.35.0-10.9.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Server 12 SP5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "busybox-0:1.35.0-10.9.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
"product_id": "SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
},
"product_reference": "busybox-0:1.35.0-10.9.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise Server for SAP Applications 12 SP5"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "busybox-0:1.35.0-10.9.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
"product_id": "SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
},
"product_reference": "busybox-0:1.35.0-10.9.1.x86_64",
"relates_to_product_reference": "SUSE Linux Enterprise High Performance Computing 12 SP5"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-42366",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-42366"
}
],
"notes": [
{
"category": "general",
"text": "A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2023-42366",
"url": "https://www.suse.com/security/cve/CVE-2023-42366"
},
{
"category": "external",
"summary": "SUSE Bug 1217586 for CVE-2023-42366",
"url": "https://bugzilla.suse.com/1217586"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-08-31T15:11:16Z",
"details": "moderate"
}
],
"title": "CVE-2023-42366"
},
{
"cve": "CVE-2026-38752",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-38752"
}
],
"notes": [
{
"category": "general",
"text": "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.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-38752",
"url": "https://www.suse.com/security/cve/CVE-2026-38752"
},
{
"category": "external",
"summary": "SUSE Bug 1271544 for CVE-2026-38752",
"url": "https://bugzilla.suse.com/1271544"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-08-31T15:11:16Z",
"details": "low"
}
],
"title": "CVE-2026-38752"
},
{
"cve": "CVE-2026-38753",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-38753"
}
],
"notes": [
{
"category": "general",
"text": "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.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-38753",
"url": "https://www.suse.com/security/cve/CVE-2026-38753"
},
{
"category": "external",
"summary": "SUSE Bug 1271545 for CVE-2026-38753",
"url": "https://bugzilla.suse.com/1271545"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-08-31T15:11:16Z",
"details": "moderate"
}
],
"title": "CVE-2026-38753"
},
{
"cve": "CVE-2026-38754",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-38754"
}
],
"notes": [
{
"category": "general",
"text": "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.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-38754",
"url": "https://www.suse.com/security/cve/CVE-2026-38754"
},
{
"category": "external",
"summary": "SUSE Bug 1271547 for CVE-2026-38754",
"url": "https://bugzilla.suse.com/1271547"
}
],
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-08-31T15:11:16Z",
"details": "moderate"
}
],
"title": "CVE-2026-38754"
},
{
"cve": "CVE-2026-38755",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-38755"
}
],
"notes": [
{
"category": "general",
"text": "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.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-38755",
"url": "https://www.suse.com/security/cve/CVE-2026-38755"
},
{
"category": "external",
"summary": "SUSE Bug 1271548 for CVE-2026-38755",
"url": "https://bugzilla.suse.com/1271548"
}
],
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise High Performance Computing 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:busybox-0:1.35.0-10.9.1.x86_64",
"SUSE Linux Enterprise Server for SAP Applications 12 SP5:busybox-0:1.35.0-10.9.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-08-31T15:11:16Z",
"details": "low"
}
],
"title": "CVE-2026-38755"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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