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Vulnerabilities
Vulnerable Software
Mozilla:  >> Firefox  >> 91.5.1  Security Vulnerabilities
CVE-2026-4724
Undefined behavior in the Audio/Video component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
CVSS Score
9.1
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4728
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
CVSS Score
6.5
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4711
Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
9.8
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4712
Information disclosure in the Widget: Cocoa component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4713
Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4714
Incorrect boundary conditions in the Audio/Video component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4715
Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
9.1
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4716
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
9.1
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4717
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
9.8
EPSS Score
0.0
Published
2026-03-24
CVE-2026-4718
Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS Score
8.1
EPSS Score
0.0
Published
2026-03-24


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