SUSE-SU-2026:23442-1
Vulnerability from csaf_suse - Published: 2026-09-01 07:06 - Updated: 2026-09-17 16:20Summary
Security update for bzip2
Severity
Low
Notes
Title of the patch: Security update for bzip2
Description of the patch: This update for bzip2 fixes the following issue:
- CVE-2026-42250: off-by-one error in the bzip2recover utility when processing a specially crafted file can lead to a
crash (bsc#1266786).
Patchnames: SUSE-SLE-Micro-6.0-872
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Recommended
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
8 references
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{
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"vulnerabilities": [
{
"cve": "CVE-2026-42250",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-42250"
}
],
"notes": [
{
"category": "general",
"text": "bzip2 contains an off-by-one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out-of-bounds write to a global buffer, resulting in memory corruption and a crash (denial of service).\n\nThis issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67",
"title": "CVE description"
}
],
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},
{
"category": "external",
"summary": "SUSE Bug 1266786 for CVE-2026-42250",
"url": "https://bugzilla.suse.com/1266786"
}
],
"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 Micro 6.0:bzip2-0:1.0.8-4.1.aarch64",
"SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.s390x",
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"SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.aarch64",
"SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.s390x",
"SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.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 Micro 6.0:bzip2-0:1.0.8-4.1.aarch64",
"SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.s390x",
"SUSE Linux Micro 6.0:bzip2-0:1.0.8-4.1.x86_64",
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"SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.s390x",
"SUSE Linux Micro 6.0:libbz2-1-0:1.0.8-4.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-01T07:06:07Z",
"details": "moderate"
}
],
"title": "CVE-2026-42250"
}
]
}
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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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