CVE-2026-3845

HIGHNVD 8.88.8—

8.8

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

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 17.0%
KEV: Not listed

Published

March 10, 2026

Last Modified

April 13, 2026

Advisory Details (2)

Auto-updated May 22, 2026

No patch confirmed yet.

generic

Security Vulnerabilities fixed in Firefox 148.0.2 — Mozilla

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

generic

Access Denied

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

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 21:28 UTCEG score recompute
2026-05-20 21:28 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-3845?

CVE-2026-3845 is a high vulnerability published on March 10, 2026. Heap buffer overflow in the Audio/Video: Playback component in Firefox for Android. This vulnerability was fixed in Firefox 148.0.2.

When was CVE-2026-3845 disclosed?

CVE-2026-3845 was first published in the National Vulnerability Database on March 10, 2026, with the most recent update on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-3845 actively exploited?

CVE-2026-3845 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2026-3845 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2026-3845?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3845, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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