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CVE-2026-113399

Incorrect boundary conditions in the SVG component

CVSS score

—

EPSS probability

—

Risk score

—

Published

5 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Incorrect Boundary Conditions Vulnerability in Mozilla Firefox SVG Component

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A vulnerability exists due to incorrect boundary conditions in the SVG component within Mozilla Firefox. This vulnerability was fixed in Firefox 158.0.1.

Why does it matter?

Incorrect boundary conditions in the SVG component can introduce security risks affecting the Firefox browser.

What should be done?

  • Monitor Mozilla security advisories
  • Apply updates when available
Chain of evidence and sources2 verified claims

Mozilla Firefox SVG bileşeninde yanlış sınır koşulları barındırmaktadır.

S0 · daybreach-canonicalS1 · cvelist

Zafiyetin Firefox 158.0.1 sürümünde giderildiği bildirilmiştir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158.0.1.

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-113399 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mozillafirefox View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
The sources have not yet published a verified CVSS metric.

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-113399 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CWE-20: Improper Input Validation

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-113399 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Official Sources and Advisories

https://bugzilla.mozilla.org/show_bug.cgi?id=2079938vendor-advisoryhttps://www.mozilla.org/security/advisories/mfsa2026-111/vendor-advisory

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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CVE-2026-113399 · Incorrect boundary conditions in the SVG…