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CVE-2024-9680

Use After Free — is CVE-2024-9680real, exploitable, or a false positive? Here's the community ground truth.

Critical · CVSS 9.8EPSS 32.6%CISA KEVCWE-416 · Use After Free

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

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 2) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Diego RamírezCurated

    Mozilla Firefox Use-After-Free Vulnerability — Mozilla Firefox and Firefox ESR contain a use-after-free vulnerability in Animation timelines that allows for code execution in the content process. Listed in the CISA KEV catalog (added 2024-10-15) — confirmed exploited in the wild, not theoretical. It is linked to known ransomware campaigns. FIRST EPSS puts the chance of exploitation in the next 30 days at ~33%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Marco FerriCurated

    Required action for Mozilla Firefox: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2024-11-05. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Same weaknessCWE-416 · Use After Free.