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Ubuntu Linux CVE-2026-95316

| EUVDEUVD-2026-89166 LOW
Unchecked Return Value (CWE-252)
2026-09-23 vendor:ubuntu GHSA-4wxg-h5fj-phhf
2.9
CVSS 3.1 · Vendor: vendor:ubuntu
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Unknown access vector
  2. Exploit
    Unknown vulnerability
  3. Impact
    Unknown impact

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Return value checking
Exploitation Conditions

Cannot be determined - the description provides no product feature, protocol, configuration setting, deployment mode, authentication level, or user-interaction requirement. No exploitation prerequisites or limiting factors can be extracted from the available data.

Impact

This CVE cannot be risk-assessed from the provided data. The description is empty ('[Unknown description]'), and there is NO CVSS score, NO CVSS vector, NO CWE, and NO EPSS, KEV, POC, or SSVC data supplied. The sole intelligence signal is 'Reported by: vendor:ubuntu', which indicates the entry was surfaced through Ubuntu's tracker but conveys nothing about the affected product, vulnerability class, exploitability, or impact. With no attack-vector, complexity, or privilege data, none of the standard prioritization signals can be compared or contrasted. This is neither confirmably a high-risk nor a low-risk issue - it is simply UNANALYZABLE pending publication of the underlying description and metrics. Note: the CVE ID falls numerically below the CVE-2026-95344..95357 Google Chrome batch, but sharing an ubuntu-reported shape with those and other adjacent data-void entries is NOT sufficient to attribute it to Chrome or any specific product; treating it as Chrome would be speculation.

Exploit ScenarioDerived

No exploit scenario can be constructed because the vulnerability description, affected product, and attack vector are all unknown. No proof-of-concept is referenced in the provided data.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 24, 2026

CVE-2026-95316 is currently identifiable only as an Ubuntu-tracked CVE: the record carries no description, no CVSS score or vector, no CWE classification, and no CPE data, and its sole intelligence source is the reporting vendor (vendor:ubuntu). As a result, the affected component, the vulnerable version range, and the concrete attacker impact cannot be established from the available data, and this entry cannot be risk-assessed at this time. No public exploit code has been identified at time of analysis, and no exploitation activity is confirmed, so any severity or exploitability claim beyond 'undetermined' would be speculation.

RemediationAI

No vendor-released patch or fixed version can be cited, because the supplied data contains neither a fix reference nor an affected package name, and inventing a version number would be misleading. The actionable path is verification rather than blind action: confirm whether the CVE applies to your fleet by checking the Ubuntu CVE tracker and Ubuntu Security Notices for CVE-2026-95316, and identify installed package exposure with tools already present on the host, such as 'ubuntu-security-status' or 'pro security-status' on supported releases, and 'apt list --upgradable' after refreshing package lists. Where a notice does eventually name an affected source package, the standard mitigation is to apply the archive update for that package and reboot or restart the affected service, with the trade-off that an unplanned restart may interrupt dependent workloads. In the interim, avoid speculative compensating controls such as disabling services or blocking ports, since there is no confirmed vulnerable feature, protocol, or endpoint to target and such changes would impose availability costs without any demonstrated reduction in risk; instead, keep unattended-upgrades enabled for security pockets and subscribe to the Ubuntu security-announce feed so the applying patch can be deployed promptly once it is published.

Affected VersionsENISA

Chrome 154.0.8037.57 <154.0.8037.57

Affected Packages

euvd chrome fix: 154.0.8037.57

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

The entry resolves to the Ubuntu security ecosystem, where CVE identifiers are routinely assigned or tracked against source packages distributed through the Ubuntu archive and its main/universe components rather than against an upstream project name directly. Because no CWE is supplied, the root-cause class (for example injection, memory-safety, privilege handling, or cryptographic weakness) is unknown, and no protocol, library, daemon, or kernel subsystem can be inferred. The absence of CPE strings means there is no structured way to map the identifier to a specific product, version, or platform edition, and the absence of a CVSS vector means no statement can be made about attack vector, privileges required, or user interaction. In practice, this places the record at the 'identifier assigned, details pending' stage typical of early vendor tracking, where the authoritative technical content will appear later in the Ubuntu CVE tracker and in any accompanying Ubuntu Security Notice. Any downstream enrichment should therefore wait on the vendor record rather than on third-party aggregators, which will simply mirror the empty fields.

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Severity by source

Vendor (vendor:ubuntu) PRIMARY 2.9 LOW
AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (vendor:ubuntu) · only source for this CVE.

CVSS VectorVendor: vendor:ubuntu

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Data Quality
3 sources
Confidence: Low

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.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

14
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +14
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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