EUVD-2026-89238
GHSA-gjxx-mvj8-57wj
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessUnknown access vector
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ExploitUnknown vulnerability trigger
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ImpactUnknown impact
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Heap buffer bounds checking
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Cannot be determined. The record contains no description, product name, protocol, configuration setting, or deployment mode, and no CVSS vector, so neither prerequisites nor limiting factors (authentication level, user interaction, non-default config, affected versions) can be extracted. Re-assess once NVD/Ubuntu enrichment provides a description and vector. |
| Impact | This CVE cannot be meaningfully risk-assessed from the provided data. There is no description, no CVSS base score or vector, no CWE, no EPSS probability, no KEV listing, no POC, and no reference URLs - the only signal is that it was reported by vendor:ubuntu. Because no CVSS vector is present, attack vector, complexity, and privilege requirements are all unknown, and no SSVC decision inputs (exploitation status, automatable, technical impact) can be derived. Exploitation status is 'no public exploit identified at time of analysis' (neither KEV nor POC is set). This is neither a confirmable priority nor a confirmable low-risk issue - it is an unenriched placeholder record. CVE-2026-95318 falls in the numeric gap below the September-2026 Google Chrome cluster (CVE-2026-95344 through 95357) and shares the same Ubuntu-only reporting shape as adjacent data-void IDs, but there is NO evidence tying it to Chrome or any specific product, so no inference should be drawn. Verify directly with NVD and the Ubuntu Security tracker once the record is enriched. |
| Exploit ScenarioDerived | No exploit scenario can be constructed: the vulnerability has no description, affected product, or attack vector. No public proof-of-concept exists. Any scenario would be pure speculation. |
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Alert meAnalysisAIv1 – Sep 24, 2026
CVE-2026-95318 is currently an unenriched record that cannot be meaningfully risk-assessed: the only attributable data point is that it was reported by vendor:ubuntu, with no description, no CPE strings, no CWE, no CVSS score or vector, and no references supplied. There is no confirmation of what component, package, or Ubuntu release is affected, whether exploitation requires authentication or user interaction, or what the resulting impact would be. Neither confirmed active exploitation (CISA KEV) nor publicly available exploit code exists in the available data, so the exploitation status is best described as no public exploit identified at time of analysis. This analysis should be treated as provisional and re-run once Ubuntu Security Notices or NVD enrichment supply a description, affected version range, and CVSS vector.
RemediationAI
No vendor-released patch identified at time of analysis, and because the affected component and version range are unknown, no specific upgrade target or configuration workaround can be prescribed. The primary action is therefore intelligence gathering rather than mitigation: subscribe to Ubuntu Security Notices and Canonical's CVE tracker for CVE-2026-95318, and to NVD for CVSS, CWE, and CPE enrichment, then re-assess. If this CVE turns out to affect a package deployed in your estate, standard Ubuntu update practice applies once a fixed package version is published, namely apt update followed by apt upgrade or an unattended-upgrades cycle, with the caveat that upgrading shared libraries can require service restarts and may break dependent applications pinned to older sonames. As a holding measure while the record is incomplete, apply generic exposure reduction that carries limited operational side effects: keep internet-facing Ubuntu hosts behind an authenticated reverse proxy or VPN rather than directly reachable, ensure unattended-upgrades is enabled for security pockets, and restrict inbound access to services that are not required to be public. These are precautionary and cannot be confirmed as targeted mitigations for this specific flaw, since the vulnerability class and attack vector remain unknown.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
No technical detail can be derived from the supplied intelligence. The record contains no CWE mapping, so the root-cause class (for example injection, deserialization, path traversal, or access-control weakness) is unknown, and no CVSS vector is present, so the access vector, attack complexity, privileges required, and user-interaction requirements cannot be established. No CPE identifiers were provided, which means the underlying technology, library, service, or protocol at issue cannot be pinned down, and it is not even certain whether the flaw resides in an Ubuntu-maintained package, an upstream project shipped in Ubuntu, or Ubuntu-specific tooling. The single signal available is the attribution tag vendor:ubuntu, indicating the record entered the pipeline through Canonical's vulnerability reporting or CVE assignment process; that attribution identifies the reporting source, not the vulnerable component. Because the independent assessment explicitly states that neither prerequisites nor limiting factors can be extracted, no assumptions should be made about default versus non-default configuration, network exposure, or deployment mode until authoritative enrichment arrives.
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Primary rating from Vendor (vendor:ubuntu).
CVSS VectorVendor: vendor:ubuntu
DescriptionCVE.org
[Unknown description]
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
A heap overflow occurs when a program writes data beyond the bounds of a buffer allocated in the heap memory region.
Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
Exploit-DB