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Description

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

PUBLISHED Reserved 2025-10-13 | Published 2025-10-14 | Updated 2025-10-14 | Assigner mozilla

Problem types

Cross-process information leaked due to malicious IPC messages

Product status

Any version before 144
affected

Any version before 115.29
affected

Any version before 140.4
affected

Any version before 144
affected

Any version before 140.4
affected

Credits

Oskar L

References

bugzilla.mozilla.org/show_bug.cgi?id=1989899

www.mozilla.org/security/advisories/mfsa2025-81/

www.mozilla.org/security/advisories/mfsa2025-82/

www.mozilla.org/security/advisories/mfsa2025-83/

www.mozilla.org/security/advisories/mfsa2025-84/

www.mozilla.org/security/advisories/mfsa2025-85/

cve.org (CVE-2025-11710)

nvd.nist.gov (CVE-2025-11710)

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