CVE-2025-11710
Cross-process information leaked due to malicious IPC messages
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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 was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 14, 2025 |
| Last Updated | Apr 13, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1989899 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-81/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-82/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-83/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-84/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-85/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
Credits
Oskar L