CVE-2026-8945

high

Published 2026-05-19 · Modified 2026-05-21

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.5

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	sid	fixed	`0`
sles		affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"151.0.0"}`	`151.0.0`
mozilla	firefox_focus	`{"endExcluding":"151.0"}`	`151.0`

References

CWEs

CWE-693

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.