CVE-2015-7210

high

Published 2015-12-16 · Modified 2026-05-06

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.5

Description

Use-after-free vulnerability in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.5 allows remote attackers to execute arbitrary code by triggering attempted use of a data channel that has been closed by a WebRTC function.

Predictions

Exploit likelihood

20%

Patch ETA

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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
suse	42.1	affected
suse	13.1	affected
suse	13.2	affected
fedora	22	affected
fedora	23	affected

Application impact

Vendor	Product	Versions
mozilla	firefox	`{"endIncluding":"42.0"}`
mozilla	firefox	`38.0`
mozilla	firefox	`38.0.1`
mozilla	firefox	`38.0.5`
mozilla	firefox	`38.1.0`
mozilla	firefox	`38.1.1`
mozilla	firefox	`38.2.0`
mozilla	firefox	`38.2.1`
mozilla	firefox	`38.3.0`
mozilla	firefox	`38.4.0`

References

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

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