What is the CVSS score of CVE-2026-3845?

CVE-2026-3845 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Google are affected by CVE-2026-3845?

A critical heap buffer overflow vulnerability in Firefox for Android's media playback component poses a risk to organizations where employees use this browser for work activities.

Google CVE-2026-3845

Q: How to fix or mitigate CVE-2026-3845?

Within 24 hours: Inventory all Firefox for Android installations in your organization and communicate this vulnerability to affected users. Within 7 days: Distribute guidance to users to avoid untrusted video/audio content and consider switching to alternative browsers until patching is available. Within 30 days: Monitor Firefox release notes for version 148.0.2+ availability and establish a deployment plan for mandatory updates once the patch is released.

HIGH

Heap-based Buffer Overflow (CWE-122)

2026-03-10 security@mozilla.org

Buffer Overflow Google Heap Overflow Mozilla

8.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 18:19 nvd

HIGH 8.8

DescriptionNVD

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

AnalysisAI

Firefox for Android versions prior to 148.0.2 contain a heap buffer overflow in the audio/video playback component that allows remote code execution, information disclosure, and denial of service through a malicious media file requiring user interaction. The vulnerability affects all Firefox for Android users and currently lacks a publicly available patch. …

RemediationAI

Within 24 hours: Inventory all Firefox for Android installations in your organization and communicate this vulnerability to affected users. Within 7 days: Distribute guidance to users to avoid untrusted video/audio content and consider switching to alternative browsers until patching is available. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

More from same product – last 7 days

CVE-2026-44739 HIGH This Week

8.7 May 27

SQL injection in Pimcore's CustomReportsBundle (versions ≤ 12.3.5) lets an authenticated user holding the reports_config

CVE-2026-8842 MEDIUM This Month

6.4 May 27

Stored Cross-Site Scripting in the Google+ Link Name WordPress plugin (versions up to and including 1.0) allows authenti

CVE-2025-68712 MEDIUM This Month

5.5 May 27

Authentication bypass in SpSoft AppLock 7.9.40 for Android allows a local attacker with physical device access to circum

CVE-2026-7552 MEDIUM This Month

5.3 May 28

Authorization bypass in the Geo Mashup WordPress plugin (all versions ≤ 1.13.19) exposes sensitive plugin configuration

CVE-2025-68709 MEDIUM This Month

5.2 May 26

Arbitrary JavaScript execution in SailingLab AppLock 4.3.8 for Android is triggered by a malicious co-installed app send

CVE-2026-3845 vulnerability details – vuln.today

Back

Google CVE-2026-3845

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

More from same product – last 7 days

Share

External POC / Exploit Code