CVE-2026-113399
Incorrect boundary conditions in the SVG component
CRITICAL
9.8
CVSS Score
Published: October 20, 2026 at 12:58 PM UTC
Updated: October 29, 2026 at 06:17 PM UTC
Products not identified yet
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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158.0.1.
Affected
We have no canonical product record for this CVE. The source names may not have matched any product.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
Source: cverecord
https://bugzilla.mozilla.org/show_bug.cgi?id=2079938Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2026-111/Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2026-114/SSVC — Action Prioritization
SSVCNo known exploitAutomatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
9.8CRITICALCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-190
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