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CVE-2026-3845 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-3845

CVE-2026-3845

HIGH8.8

Heap buffer overflow in the Audio/Video: Playback component in Firefox for Android

Published Mar 10, 2026

Modified Yesterday

Fix available

Details

Heap buffer overflow in the Audio/Video: Playback component in Firefox for Android. This vulnerability affects Firefox < 148.0.2.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

148.0.2

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

148.0.2

References

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=2020174

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-3845

WEB

https://www.mozilla.org/security/advisories/mfsa2026-19/

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ecosystems(28)

Ubuntu 14.04 LTS Ubuntu 16.04 LTS Ubuntu 18.04 LTS Ubuntu 20.04 LTS Ubuntu 22.04 LTS

Timeline

PublishedMar 10, 2026

ModifiedMar 11, 2026