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HomeCVEsCVE-2019-11707

CVE-2019-11707

Published: January 27, 2026
Last updated:8 hours ago (January 27, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 27, 2026

CVE-2019-11707 is a high severity vulnerability with a CVSS score of 8.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 8.8/10)
  • 2EPSS: 81.00% - very high likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 841/1000 (High)
  • 6Affects products from: Mozilla
Severity Scores
CVSS v38.8
CVSS v27.5
Priority Score841.0
EPSS Score81.0
High
Exploitation LikelihoodCritical
81.00%EPSS

Very high probability of exploitation in the next 30 days

Immediate patching required
81.00%
EPSS
8.8
CVSS
Yes
Exploit
Yes
Patch
High Priority
high EPSS • exploit exists

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

Mozilla Firefox and Thunderbird contain a type confusion vulnerability that can occur when manipulating JavaScript objects due to issues in Array.pop, allowing for an exploitable crash.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Required
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Exploit References
Exploit-DBCisa.govGitHubGitHub
Patch References
[email protected][email protected][email protected]Zeroday CZZeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
MozillaFirefox
MozillaThunderbird
Advisories
CISA: Mozilla Firefox and Thunderbird contain a type confusion vulnerability that can occur when manipulating JavaScript objects due to issues in Array.pop, allowing for an exploitable crash.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2019-11707 - CVE Details and Analysis. Strobes VI. Retrieved January 28, 2026, from https://vi.strobes.co/cve/CVE-2019-11707
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