Description
On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.21 to ≤ 115.*unaffected128.8 to ≤ 128.*unaffected136 to ≤ *unaffected
Mozilla Thunderbird
128.8 to ≤ 128.*unaffected136 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1902309 ↗
- https://www.mozilla.org/security/advisories/mfsa2025-14/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-15/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-16/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-17/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-18/ ↗