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Ubuntu (unconfirmed) EUVDEUVD-2026-46434

| CVE-2026-47714 MEDIUM
Integer Overflow or Wraparound (CWE-190)
2026-07-02 vendor:ubuntu
Information Disclosure Integer Overflow Libheif Struktur
6.1
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
  2. Exploit
    Unknown
  3. Impact
    Unknown

Vulnerability Assessment

Weakness
CWE
CWE-190
ASVS 5.0
V15 - Secure Coding and Architecture Integer overflow checks
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.

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Exploitation Conditions

Exploitation conditions cannot be determined - no description, CVSS vector, or CWE is available. There is no basis to state whether this requires network access, local access, authentication, or specific configuration. FORBIDDEN generics intentionally avoided: this is a genuine data gap, not an assumed low-complexity condition.
Impact

Risk cannot be assessed. No CVSS score or vector is available, EPSS data is absent, the vulnerability is not listed in CISA KEV, no POC is known, and the description is unavailable. All risk signals are missing. Security teams should monitor the NVD entry, the Ubuntu Security Notices portal, and any forthcoming vendor advisory for enrichment before making prioritization decisions. Do NOT treat lack of data as low risk - this CVE may be under embargo or in early disclosure.
Exploit ScenarioDerived

An exploit scenario cannot be constructed. No description, CVSS attack vector, or technical details are available to ground a realistic scenario. Once the CVE description and CVSS vector are published, a scenario can be derived from the attack vector, complexity, and privilege requirements.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 03, 2026

CVE-2026-47714 is a vulnerability reported by Ubuntu with no public description, CVSS score, CWE classification, or technical details available at time of analysis. The affected product, vulnerability class, and impact cannot be determined from the available intelligence. No exploitation status, patch availability, or affected version range has been confirmed.

RemediationAI

No remediation guidance can be provided at this time. No patch version, vendor advisory URL, or workaround information is present in the available data. Monitor the Ubuntu Security Notices at ubuntu.com/security/notices and the NVD entry for CVE-2026-47714. Once a USN is published, follow the standard Ubuntu patching procedure: run 'sudo apt update && sudo apt upgrade' and apply the relevant package update. If this CVE is assessed as high severity pending full disclosure, consider isolating potentially affected Ubuntu systems until official guidance is available.

Affected VersionsENISA

libheif < 1.22.0

Affected Packages

euvd libheif fix: 1.22.0

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.

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Technical ContextAI · show details

No technical context can be established. The CVE description is listed as unknown, no CWE root-cause class is assigned, no CPE strings are available, and no CVSS vector is present to infer attack surface or impact. The sole data point - reporter 'vendor:ubuntu' - indicates Ubuntu disclosed or reported this vulnerability, but does not confirm Ubuntu itself is the affected product; it may affect any package in the Ubuntu ecosystem.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (vendor:ubuntu) PRIMARY 6.1 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
SUSE MEDIUM

Primary rating from Vendor (vendor:ubuntu).

CVSS VectorVendor: vendor:ubuntu

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

Lifecycle Timeline

1
CVSS changed
Jul 21, 2026 - 21:22 NVD
6.1 (MEDIUM)

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vendor GitHub VulDB

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Medium

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Integer Overflow MEDIUM

Integer overflow occurs when an arithmetic operation produces a result that exceeds the maximum value a given integer type can store.

Information Disclosure MEDIUM

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

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libheif v1.17.5 was discovered to contain a segmentation violation via the component /libheif/exif.cc. Rated high severi
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Same weakness CWE-190 – Integer Overflow or Wraparound

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CVE-2013-2729 CRITICAL POC
9.8
CVE-2015-8651 HIGH
8.8
CVE-2012-5054 HIGH POC
8.8
CVE-2014-0569 CRITICAL POC
9.3
CVE-2023-21716 CRITICAL POC
9.8
CVE-2017-3599 HIGH POC
7.5
CVE-2026-97229 CRITICAL POC
10.0
CVE-2017-7529 HIGH
7.5

Same technique Information Disclosure

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CVE-2019-2725 CRITICAL POC
9.8
CVE-2021-34523 CRITICAL POC
9.0
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
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CVE-2025-68613 HIGH POC
8.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
Image SLES-SAP-Azure Image SLES-SAP-Azure-3P Image SLES-SAP-BYOS-Azure Image SLES-SAP-BYOS-EC2 Image SLES-SAP-BYOS-GCE Image SLES-SAP-EC2 Image SLES-SAP-GCE Image SLES-SAPCAL-Azure Image SLES-SAPCAL-EC2 Image SLES-SAPCAL-GCE Affected
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Desktop Applications 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server for SAP applications 16.0 Fixed
SUSE Linux Enterprise Server 16.1 Fixed

References

Advisories & patches
ADVISORY https://ubuntu.com/security/notices/USN-8526-1 ADVISORY https://vuldb.com/vuln/381090 ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:22153/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:2622/ REF https://github.com/strukturag/libheif/security/advisories/GHSA-h4wm-6wwf-qvhx

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