CVE-2026-12297

N/A Unknown
Published: June 16, 2026 Modified: June 16, 2026
View on NVD

Description

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

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2041610
Source: security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2026-57/
Source: security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2026-58/
Source: security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2026-59/
Source: security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2026-60/
Source: security@mozilla.org
https://www.mozilla.org/security/advisories/mfsa2026-61/
Source: security@mozilla.org

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.2%
5th percentile
Exploitation Status
Not in CISA KEV