CVE-2026-12297

June 16, 2026, 2:51 p.m.

None
No Score

Description

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, and Firefox ESR 115.37.

Product(s) Impacted

Vendor Product Versions
Mozilla
  • Firefox
  • Firefox Esr
  • 152
  • 140.12, 115.37

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mozilla firefox 152 / / / / / / /
a mozilla firefox_esr 140.12 / / / / / / /
a mozilla firefox_esr 115.37 / / / / / / /

Timeline

Published: June 16, 2026, 1:16 p.m.
Last Modified: June 16, 2026, 2:51 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.