Findings

CVE-2026-3847

Memory safety bugs present in Firefox 148.0.2.

Published Mar 10, 2026 · updated Jun 17, 2026 · mozilla firefox

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 10, 2026 · NIST NVD

    Detected

    Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.

Affected

  • cpe mozilla/firefoxversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-3847

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-3847

    Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.

    nvd.nist.gov

References